203 Area Code Phone Numbers

• Total

  3,567,958

• Rate center

  46

• County

  3

• ZIP code

  83

• Carrier

  33

• Prefix County City Carrier
• Prefix

  1-203-000
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-003
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-005
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-006
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-008
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-010
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-011
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-012
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-013
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-014
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-015
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-017
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-019
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-022
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-024
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-025
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-026
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-027
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-030
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-031
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-033
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-034
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-036
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-042
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-043
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-044
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-045
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-047
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-051
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-053
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-056
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-058
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-059
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-060
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-061
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-062
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-066
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-069
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-070
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-073
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-074
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-076
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-077
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-080
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-081
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-082
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-084
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-085
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-087
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-088
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-093
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-096
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-097
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-098
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-101
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-109
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-111
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-114
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-115
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-116
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-117
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-119
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-120
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-122
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-123
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-124
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-126
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-128
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-129
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-132
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-133
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-136
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-140
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-141
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-143
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-144
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-145
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-146
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-147
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-148
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-153
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-154
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-156
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-165
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-166
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-167
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-170
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-172
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-174
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-175
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-176
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-177
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-179
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-180
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-182
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-184
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-186
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-187
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-189
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-190
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-193
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-195
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-196
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-198
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-200
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Frontier, Verizon Wireless

• Prefix

  1-203-201
  County

  New Haven

  City

  New Haven

  Carrier

  Usa Mobility

• Prefix

  1-203-202
  County

  Fairfield

  City

  Darien

  Carrier

  Cablevision Lightpath, Centurylink, Emergency Networks, Sprint, Verizon Business

• Prefix

  1-203-203
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-204
  County

  New Haven

  City

  Guilford

  Carrier

  At&T, Bandwidth.com, Centurylink, Onvoy

• Prefix

  1-203-205
  County

  Fairfield

  City

  Danbury

  Carrier

  Centurylink, Frontier

• Prefix

  1-203-206
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-207
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-208
  County

  New Haven

  City

  Branford

  Carrier

  Bandwidth.com, Centurylink, Comcast, Frontier

• Prefix

  1-203-209
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-210
  County

  Fairfield

  City

  Wilton

  Carrier

  Cablevision Lightpath, Onvoy

• Prefix

  1-203-211
  County

  -

  City

  Community Support And Referral Services

  Carrier

  -

• Prefix

  1-203-212
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Bandwidth.com, Cablevision Lightpath, Metropcs, Verizon Business

• Prefix

  1-203-213
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility

• Prefix

  1-203-214
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-215
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-216
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility

• Prefix

  1-203-217
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-218
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility

• Prefix

  1-203-219
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-220
  County

  Fairfield

  City

  Trumbull

  Carrier

  Cablevision Lightpath, Centurylink, Charter Fiberlink, Emergency Networks, T-Mobile

• Prefix

  1-203-221
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-222
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-223
  County

  Fairfield

  City

  Stamford

  Carrier

  Sprint, T-Mobile

• Prefix

  1-203-224
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-225
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-226
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-227
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-228
  County

  New Haven

  City

  Waterbury

  Carrier

  Cablevision Lightpath, Metropcs, Verizon Wireless

• Prefix

  1-203-229
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-230
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-231
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  Verizon Wireless

• Prefix

  1-203-232
  County

  New Haven

  City

  Waterbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-233
  County

  New Haven

  City

  Waterbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-234
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-235
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-236
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-237
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-238
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-239
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-240
  County

  Fairfield

  City

  Danbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-241
  County

  Fairfield

  City

  Danbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-242
  County

  Fairfield

  City

  Huntington

  Carrier

  At&T Mobility, Bandwidth.com, Cablevision Lightpath, Centurylink, Peerless Network, Terra Nova Telecom, Ton80 Communications

• Prefix

  1-203-243
  County

  Fairfield

  City

  Bridgeport

  Carrier

  T-Mobile

• Prefix

  1-203-244
  County

  Fairfield

  City

  Ridgefield

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Comcast, Ctc Communications, Emergency Networks, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-245
  County

  New Haven

  City

  Madison

  Carrier

  Frontier

• Prefix

  1-203-246
  County

  Fairfield

  City

  Norwalk

  Carrier

  Verizon Wireless

• Prefix

  1-203-247
  County

  Fairfield

  City

  Norwalk

  Carrier

  Verizon Wireless

• Prefix

  1-203-248
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-249
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-250
  County

  New Haven

  City

  Cheshire

  Carrier

  Frontier

• Prefix

  1-203-251
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-252
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Cablevision Lightpath, Conversent Communications, T-Mobile

• Prefix

  1-203-253
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-254
  County

  Fairfield

  City

  Fairfield

  Carrier

  Frontier

• Prefix

  1-203-255
  County

  Fairfield

  City

  Fairfield

  Carrier

  Frontier

• Prefix

  1-203-256
  County

  Fairfield

  City

  Fairfield

  Carrier

  Frontier

• Prefix

  1-203-257
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-258
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-259
  County

  Fairfield

  City

  Fairfield

  Carrier

  Frontier

• Prefix

  1-203-260
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility

• Prefix

  1-203-261
  County

  Fairfield

  City

  Trumbull

  Carrier

  Frontier

• Prefix

  1-203-262
  County

  Litchfield

  City

  Woodbury

  Carrier

  At&T, Frontier

• Prefix

  1-203-263
  County

  Litchfield

  City

  Woodbury

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-264
  County

  Litchfield

  City

  Woodbury

  Carrier

  Frontier

• Prefix

  1-203-265
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier

• Prefix

  1-203-266
  County

  Litchfield

  City

  Woodbury

  Carrier

  Centurylink, Comcast, Frontier, Onvoy

• Prefix

  1-203-267
  County

  Litchfield

  City

  Woodbury

  Carrier

  Bandwidth.com, Ctc Communications, Frontier

• Prefix

  1-203-268
  County

  Fairfield

  City

  Trumbull

  Carrier

  Frontier

• Prefix

  1-203-269
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier

• Prefix

  1-203-270
  County

  Fairfield

  City

  Newtown

  Carrier

  Frontier

• Prefix

  1-203-271
  County

  New Haven

  City

  Cheshire

  Carrier

  Frontier

• Prefix

  1-203-272
  County

  New Haven

  City

  Cheshire

  Carrier

  Frontier

• Prefix

  1-203-273
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-274
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Cablevision Lightpath, Centurylink, Paetec

• Prefix

  1-203-275
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier, T-Mobile, Verizon Wireless

• Prefix

  1-203-276
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-277
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Verizon Business

• Prefix

  1-203-278
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, T-Mobile, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-279
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Usa Mobility

• Prefix

  1-203-280
  County

  Fairfield

  City

  Darien

  Carrier

  Sprint, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-281
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-282
  County

  Fairfield

  City

  Stamford

  Carrier

  Usa Mobility

• Prefix

  1-203-283
  County

  New Haven

  City

  Milford

  Carrier

  Cablevision Lightpath, Onvoy, Verizon Business

• Prefix

  1-203-284
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier

• Prefix

  1-203-285
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, At&T Mobility, Centurylink, T-Mobile

• Prefix

  1-203-286
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Conversent Communications, T-Mobile

• Prefix

  1-203-287
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-288
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-289
  County

  Fairfield

  City

  Danbury

  Carrier

  Usa Mobility

• Prefix

  1-203-290
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier, T-Mobile, Verizon Business

• Prefix

  1-203-291
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-292
  County

  Fairfield

  City

  Fairfield

  Carrier

  Cablevision Lightpath, Frontier, Onvoy

• Prefix

  1-203-293
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility, Bandwidth.com, Cablevision Lightpath, Verizon Business

• Prefix

  1-203-294
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier

• Prefix

  1-203-295
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Verizon Business, Verizon Wireless

• Prefix

  1-203-296
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Cablevision Lightpath, Verizon Business

• Prefix

  1-203-297
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, T-Mobile, Verizon Business

• Prefix

  1-203-298
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Cablevision Lightpath, Onvoy, T-Mobile

• Prefix

  1-203-299
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Frontier, Verizon Wireless

• Prefix

  1-203-300
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Comcast, T-Mobile

• Prefix

  1-203-301
  County

  New Haven

  City

  Milford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier

• Prefix

  1-203-302
  County

  Fairfield

  City

  Greenwich

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Conversent Communications, Sprint, Ymax Communications

• Prefix

  1-203-303
  County

  New Haven

  City

  Wallingford

  Carrier

  At&T, Bandwidth.com, Centurylink, Comcast, Telnyx, Verizon Business

• Prefix

  1-203-304
  County

  Fairfield

  City

  Newtown

  Carrier

  At&T, Centurylink, Charter Fiberlink, Ctc Communications, Frontier, Paetec

• Prefix

  1-203-305
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility

• Prefix

  1-203-306
  County

  New Haven

  City

  Milford

  Carrier

  One Communications, Sprint, Verizon Business

• Prefix

  1-203-307
  County

  Fairfield

  City

  Fairfield

  Carrier

  Bandwidth.com, Centurylink, Conversent Communications, Ctc Communications, Verizon Business

• Prefix

  1-203-308
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Bandwidth.com, Comcast, Paetec, T-Mobile, Verizon Wireless

• Prefix

  1-203-309
  County

  Fairfield

  City

  Darien

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Sprint

• Prefix

  1-203-310
  County

  Fairfield

  City

  New Canaan

  Carrier

  Verizon Business

• Prefix

  1-203-311
  County

  -

  City

  Non Emergency Services

  Carrier

  -

• Prefix

  1-203-312
  County

  Fairfield

  City

  Danbury

  Carrier

  Bandwidth.com, Ctc Communications, Frontier, Sprint, Verizon Wireless

• Prefix

  1-203-313
  County

  Fairfield

  City

  Danbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-314
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-315
  County

  New Haven

  City

  Branford

  Carrier

  Frontier

• Prefix

  1-203-316
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-317
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Frontier, Metropcs

• Prefix

  1-203-318
  County

  New Haven

  City

  Madison

  Carrier

  Bandwidth.com, Frontier, Peerless Network, Verizon Business

• Prefix

  1-203-319
  County

  Fairfield

  City

  Fairfield

  Carrier

  Frontier

• Prefix

  1-203-320
  County

  Fairfield

  City

  Darien

  Carrier

  Verizon Business

• Prefix

  1-203-321
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-322
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-323
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-324
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-325
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-326
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-327
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Paetec

• Prefix

  1-203-328
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-329
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-330
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-331
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-332
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-333
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-334
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-335
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-336
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-337
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-338
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Sprint

• Prefix

  1-203-339
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-340
  County

  Fairfield

  City

  Greenwich

  Carrier

  Bandwidth.com, Cablevision Lightpath, Ymax Communications

• Prefix

  1-203-341
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-342
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Usa Mobility

• Prefix

  1-203-343
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Verizon Wireless

• Prefix

  1-203-344
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Frontier, Peerless Network

• Prefix

  1-203-345
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-346
  County

  New Haven

  City

  Waterbury

  Carrier

  Conversent Communications, Frontier, Metropcs

• Prefix

  1-203-347
  County

  Fairfield

  City

  Byram

  Carrier

  Centurylink, Ctc Communications, Verizon Business, Ymax Communications

• Prefix

  1-203-348
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-349
  County

  Fairfield

  City

  Westport

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Cablevision Lightpath, Centurylink, Onvoy

• Prefix

  1-203-350
  County

  New Haven

  City

  Madison

  Carrier

  At&T, Bandwidth.com, Centurylink, Frontier, Onvoy

• Prefix

  1-203-351
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-352
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-353
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-354
  County

  Fairfield

  City

  Norwalk

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-355
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-356
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-357
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-358
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-359
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-360
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Metropcs, Verizon Wireless

• Prefix

  1-203-361
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Sprint, Verizon Wireless

• Prefix

  1-203-362
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath, Frontier, Verizon Wireless

• Prefix

  1-203-363
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-364
  County

  Fairfield

  City

  Newtown

  Carrier

  Bandwidth.com, Centurylink, Frontier, Paetec, Sprint

• Prefix

  1-203-365
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-366
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-367
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-368
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-369
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Verizon Business

• Prefix

  1-203-370
  County

  New Haven

  City

  New Haven

  Carrier

  American Messaging

• Prefix

  1-203-371
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-372
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-373
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-374
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-375
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-376
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-377
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-378
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-379
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Ctc Communications, Emergency Networks, Frontier, Terra Nova Telecom

• Prefix

  1-203-380
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-381
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-382
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-383
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Sprint, Verizon Wireless

• Prefix

  1-203-384
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-385
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-386
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-387
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-388
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Verizon Business, Verizon Wireless

• Prefix

  1-203-389
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-390
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, At&T Mobility, Comcast, T-Mobile

• Prefix

  1-203-391
  County

  Fairfield

  City

  Stamford

  Carrier

  Conversent Communications, Paetec, Sprint, T-Mobile, Verizon Business, Verizon Wireless

• Prefix

  1-203-392
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Frontier, T-Mobile

• Prefix

  1-203-393
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-394
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-395
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint

• Prefix

  1-203-396
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-397
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-398
  County

  Fairfield

  City

  Norwalk

  Carrier

  Usa Mobility

• Prefix

  1-203-399
  County

  Fairfield

  City

  Stamford

  Carrier

  Paetec, Verizon Business, Verizon Wireless

• Prefix

  1-203-400
  County

  Fairfield

  City

  Trumbull

  Carrier

  At&T Mobility, Verizon Business

• Prefix

  1-203-401
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Centurylink, Frontier, Sprint

• Prefix

  1-203-402
  County

  Fairfield

  City

  Huntington

  Carrier

  At&T Mobility, Bandwidth.com, Ctc Communications, Frontier

• Prefix

  1-203-403
  County

  Fairfield

  City

  Ridgefield

  Carrier

  At&T, Bandwidth.com, Centurylink, Comcast, Frontier, Global Crossing, Paetec

• Prefix

  1-203-404
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, Emergency Networks

• Prefix

  1-203-405
  County

  Litchfield

  City

  Woodbury

  Carrier

  Bandwidth.com, Charter Fiberlink, Paetec, Peerless Network, Verizon Business

• Prefix

  1-203-406
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Frontier

• Prefix

  1-203-407
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-408
  County

  Fairfield

  City

  Redding

  Carrier

  Bandwidth.com, Frontier, Onvoy, Peerless Network

• Prefix

  1-203-409
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  At&T, Bandwidth.com, Conversent Communications, Global Crossing, Paetec, Peerless Network, Verizon Business

• Prefix

  1-203-410
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-411
  County

  -

  City

  411 Local Directory Assistance

  Carrier

  -

• Prefix

  1-203-412
  County

  New Haven

  City

  New Haven

  Carrier

  American Messaging

• Prefix

  1-203-413
  County

  Fairfield

  City

  Greenwich

  Carrier

  Paetec

• Prefix

  1-203-414
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility

• Prefix

  1-203-415
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-416
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Centurylink, Conversent Communications, Ctc Communications, Frontier

• Prefix

  1-203-417
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility

• Prefix

  1-203-418
  County

  Fairfield

  City

  Fairfield

  Carrier

  At&T, Bandwidth.com, Sprint, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-419
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Frontier, Metropcs, T-Mobile

• Prefix

  1-203-420
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-421
  County

  New Haven

  City

  Madison

  Carrier

  Comcast, Frontier

• Prefix

  1-203-422
  County

  Fairfield

  City

  Greenwich

  Carrier

  Cablevision Lightpath, Verizon, Ymax Communications

• Prefix

  1-203-423
  County

  Fairfield

  City

  Wilton

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Centurylink, Sprint, Verizon Business

• Prefix

  1-203-424
  County

  Fairfield

  City

  Darien

  Carrier

  Bandwidth.com, Frontier, Peerless Network, Sprint

• Prefix

  1-203-425
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-426
  County

  Fairfield

  City

  Newtown

  Carrier

  Frontier

• Prefix

  1-203-427
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, T-Mobile, Verizon Business

• Prefix

  1-203-428
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Centurylink, Frontier, Sprint, T-Mobile, Verizon Business, Verizon Wireless

• Prefix

  1-203-429
  County

  Fairfield

  City

  Westport

  Carrier

  Bandwidth.com, Centurylink, Onvoy, Verizon Business

• Prefix

  1-203-430
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-431
  County

  Fairfield

  City

  Ridgefield

  Carrier

  Frontier

• Prefix

  1-203-432
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-433
  County

  New Haven

  City

  Branford

  Carrier

  Bandwidth.com, Centurylink, Comcast, Ctc Communications, Onvoy, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-434
  County

  Fairfield

  City

  Norwalk

  Carrier

  T-Mobile

• Prefix

  1-203-435
  County

  New Haven

  City

  New Haven

  Carrier

  T-Mobile

• Prefix

  1-203-436
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-437
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Centurylink, Comcast, Metropcs, Verizon Business

• Prefix

  1-203-438
  County

  Fairfield

  City

  Ridgefield

  Carrier

  Frontier

• Prefix

  1-203-439
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Comcast, Onvoy, Sprint

• Prefix

  1-203-440
  County

  New Haven

  City

  Meriden

  Carrier

  Comcast, Metropcs

• Prefix

  1-203-441
  County

  New Haven

  City

  Wolcott

  Carrier

  At&T, Bandwidth.com, Centurylink, Comcast

• Prefix

  1-203-442
  County

  Fairfield

  City

  New Canaan

  Carrier

  At&T, Bandwidth.com, Peerless Network, Sprint, Verizon Business

• Prefix

  1-203-443
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Bandwidth.com, Comcast, Metropcs, T-Mobile, Verizon Business

• Prefix

  1-203-444
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-445
  County

  Fairfield

  City

  Trumbull

  Carrier

  Centurylink, Conversent Communications, Frontier, Sprint

• Prefix

  1-203-446
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T, At&T Mobility, Cablevision Lightpath, Centurylink, Paetec

• Prefix

  1-203-447
  County

  Fairfield

  City

  Huntington

  Carrier

  At&T, At&T Mobility, Verizon Business

• Prefix

  1-203-448
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier, Verizon Business, Verizon Wireless

• Prefix

  1-203-449
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint

• Prefix

  1-203-450
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Bandwidth.com, Verizon Wireless

• Prefix

  1-203-451
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility

• Prefix

  1-203-452
  County

  Fairfield

  City

  Trumbull

  Carrier

  Frontier

• Prefix

  1-203-453
  County

  New Haven

  City

  Guilford

  Carrier

  Frontier

• Prefix

  1-203-454
  County

  Fairfield

  City

  Westport

  Carrier

  Frontier

• Prefix

  1-203-455
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Sprint, Verizon Business, Verizon Wireless

• Prefix

  1-203-456
  County

  Fairfield

  City

  Danbury

  Carrier

  Bandwidth.com, Centurylink, Comcast, Peerless Network, Verizon Wireless

• Prefix

  1-203-457
  County

  New Haven

  City

  Guilford

  Carrier

  Comcast, Frontier, Onvoy, Peerless Network

• Prefix

  1-203-458
  County

  New Haven

  City

  Guilford

  Carrier

  Frontier

• Prefix

  1-203-459
  County

  Fairfield

  City

  Trumbull

  Carrier

  Frontier

• Prefix

  1-203-460
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T, Centurylink, Sprint, T-Mobile

• Prefix

  1-203-461
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-462
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-463
  County

  New Haven

  City

  Seymour

  Carrier

  At&T, Centurylink, Comcast, Ctc Communications, Onvoy, Paetec, Verizon Business

• Prefix

  1-203-464
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-465
  County

  New Haven

  City

  Waterbury

  Carrier

  Bandwidth.com, Frontier, Metropcs, T-Mobile

• Prefix

  1-203-466
  County

  New Haven

  City

  New Haven

  Carrier

  Ctc Communications, Frontier, T-Mobile

• Prefix

  1-203-467
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-468
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-469
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-470
  County

  Fairfield

  City

  Danbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-471
  County

  -

  City

  Billing Only

  Carrier

  Frontier

• Prefix

  1-203-472
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-473
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-474
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-475
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-476
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-477
  County

  New Haven

  City

  New Haven

  Carrier

  Usa Mobility

• Prefix

  1-203-478
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-479
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Ctc Communications, Frontier, T-Mobile

• Prefix

  1-203-480
  County

  Fairfield

  City

  Fairfield

  Carrier

  Verizon Business

• Prefix

  1-203-481
  County

  New Haven

  City

  Branford

  Carrier

  Frontier

• Prefix

  1-203-482
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility

• Prefix

  1-203-483
  County

  New Haven

  City

  Branford

  Carrier

  Frontier

• Prefix

  1-203-484
  County

  New Haven

  City

  Branford

  Carrier

  Bandwidth.com, Frontier, Peerless Network

• Prefix

  1-203-485
  County

  Fairfield

  City

  Greenwich

  Carrier

  Cablevision Lightpath, Ymax Communications

• Prefix

  1-203-486
  County

  Litchfield

  City

  Woodbury

  Carrier

  Bandwidth.com, Frontier, Peerless Network

• Prefix

  1-203-487
  County

  Fairfield

  City

  Stamford

  Carrier

  Centurylink, Conversent Communications, Global Crossing

• Prefix

  1-203-488
  County

  New Haven

  City

  Branford

  Carrier

  Frontier

• Prefix

  1-203-489
  County

  Fairfield

  City

  Greenwich

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Paetec, Peerless Network

• Prefix

  1-203-490
  County

  New Haven

  City

  Naugatuck

  Carrier

  At&T, Bandwidth.com, Centurylink, Sprint, Verizon Business

• Prefix

  1-203-491
  County

  Fairfield

  City

  Newtown

  Carrier

  At&T Mobility, Bandwidth.com, Charter Fiberlink, T-Mobile, Verizon Business

• Prefix

  1-203-492
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-493
  County

  Fairfield

  City

  Georgetown

  Carrier

  Bandwidth.com, Centurylink, Comcast, Emergency Networks, Terra Nova Telecom

• Prefix

  1-203-494
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-495
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-496
  County

  Fairfield

  City

  Greenwich

  Carrier

  Onvoy, Sprint

• Prefix

  1-203-497
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Verizon Business

• Prefix

  1-203-498
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-499
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-500
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-501
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Bandwidth.com, Sprint, Verizon Wireless

• Prefix

  1-203-502
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath, Centurylink, Charter Fiberlink, Frontier, T-Mobile

• Prefix

  1-203-503
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-504
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Centurylink, Conversent Communications, Ctc Communications, T-Mobile

• Prefix

  1-203-505
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-506
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-507
  County

  New Haven

  City

  New Haven

  Carrier

  Comcast, Sprint, T-Mobile

• Prefix

  1-203-508
  County

  New Haven

  City

  New Haven

  Carrier

  Ctc Communications, Paetec, T-Mobile

• Prefix

  1-203-509
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, Sprint

• Prefix

  1-203-510
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, Sprint

• Prefix

  1-203-511
  County

  -

  City

  Travel Information Services

  Carrier

  -

• Prefix

  1-203-512
  County

  Fairfield

  City

  Danbury

  Carrier

  T-Mobile

• Prefix

  1-203-513
  County

  Fairfield

  City

  Huntington

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Centurylink, Comcast, Frontier

• Prefix

  1-203-514
  County

  New Haven

  City

  Meriden

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Centurylink, T-Mobile

• Prefix

  1-203-515
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint

• Prefix

  1-203-516
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Comcast, Ctc Communications, Global Crossing, Verizon Wireless

• Prefix

  1-203-517
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Cablevision Lightpath, Centurylink, Ctc Communications, Paetec

• Prefix

  1-203-518
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink

• Prefix

  1-203-519
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, Sprint, Ymax Communications

• Prefix

  1-203-520
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-521
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-522
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Cablevision Lightpath

• Prefix

  1-203-523
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T, Conversent Communications, Metropcs

• Prefix

  1-203-524
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-525
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-526
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint

• Prefix

  1-203-527
  County

  New Haven

  City

  Waterbury

  Carrier

  Comcast, Frontier, Metropcs, Verizon Wireless

• Prefix

  1-203-528
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Centurylink, Comcast, T-Mobile, Terra Nova Telecom

• Prefix

  1-203-529
  County

  Fairfield

  City

  Wilton

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Centurylink, Peerless Network

• Prefix

  1-203-530
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-531
  County

  Fairfield

  City

  Byram

  Carrier

  Verizon

• Prefix

  1-203-532
  County

  Fairfield

  City

  Byram

  Carrier

  Cablevision Lightpath, Conversent Communications, Verizon

• Prefix

  1-203-533
  County

  New Haven

  City

  Guilford

  Carrier

  Bandwidth.com, Centurylink, Comcast, Paetec, Peerless Network, Verizon Business

• Prefix

  1-203-534
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-535
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Comcast, Verizon Wireless

• Prefix

  1-203-536
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-537
  County

  New Haven

  City

  Meriden

  Carrier

  Metropcs, Sprint

• Prefix

  1-203-538
  County

  Fairfield

  City

  Huntington

  Carrier

  Bandwidth.com, Centurylink, Comcast, Ctc Communications, One Communications

• Prefix

  1-203-539
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Centurylink, Frontier, Verizon Wireless

• Prefix

  1-203-540
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Cablevision Lightpath, T-Mobile

• Prefix

  1-203-541
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Frontier, Paetec, Verizon Wireless

• Prefix

  1-203-542
  County

  Fairfield

  City

  Greenwich

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Centurylink, Ctc Communications

• Prefix

  1-203-543
  County

  Fairfield

  City

  Bridgeport

  Carrier

  T-Mobile

• Prefix

  1-203-544
  County

  Fairfield

  City

  Georgetown

  Carrier

  Bandwidth.com, Centurylink, Frontier, T-Mobile

• Prefix

  1-203-545
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint

• Prefix

  1-203-546
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T, Centurylink, Charter Fiberlink

• Prefix

  1-203-547
  County

  Fairfield

  City

  Stamford

  Carrier

  One Communications

• Prefix

  1-203-548
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, T-Mobile

• Prefix

  1-203-549
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath, One Communications, T-Mobile

• Prefix

  1-203-550
  County

  Fairfield

  City

  Stamford

  Carrier

  T-Mobile

• Prefix

  1-203-551
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T, At&T Mobility, Centurylink, T-Mobile

• Prefix

  1-203-552
  County

  Fairfield

  City

  Byram

  Carrier

  Bandwidth.com, Verizon

• Prefix

  1-203-553
  County

  New Haven

  City

  New Haven

  Carrier

  Cablevision Lightpath, Comcast, Frontier

• Prefix

  1-203-554
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-555
  County

  -

  City

  Directory Assistance

  Carrier

  -

• Prefix

  1-203-556
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility

• Prefix

  1-203-557
  County

  Fairfield

  City

  Westport

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-558
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-559
  County

  Fairfield

  City

  Darien

  Carrier

  At&T, Sprint

• Prefix

  1-203-560
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-561
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-562
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-563
  County

  Fairfield

  City

  Wilton

  Carrier

  Frontier, Peerless Network

• Prefix

  1-203-564
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Verizon Wireless

• Prefix

  1-203-565
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, Sprint

• Prefix

  1-203-566
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Business

• Prefix

  1-203-567
  County

  Fairfield

  City

  Huntington

  Carrier

  Centurylink, Paetec

• Prefix

  1-203-568
  County

  New Haven

  City

  Waterbury

  Carrier

  Paetec, T-Mobile

• Prefix

  1-203-569
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-570
  County

  Fairfield

  City

  Stamford

  Carrier

  T-Mobile

• Prefix

  1-203-571
  County

  Fairfield

  City

  Westport

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Conversent Communications, Sprint

• Prefix

  1-203-572
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Bandwidth.com, Sprint

• Prefix

  1-203-573
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-574
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-575
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-576
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-577
  County

  New Haven

  City

  Waterbury

  Carrier

  Centurylink, Frontier, Verizon Wireless

• Prefix

  1-203-578
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Frontier, T-Mobile

• Prefix

  1-203-579
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-580
  County

  Fairfield

  City

  Byram

  Carrier

  Bandwidth.com, Broadview Networks, Centurylink, Onvoy, Peerless Network

• Prefix

  1-203-581
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-582
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-583
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Centurylink, T-Mobile

• Prefix

  1-203-584
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Verizon Wireless

• Prefix

  1-203-585
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-586
  County

  Litchfield

  City

  Woodbury

  Carrier

  At&T, Cablevision Lightpath, Centurylink, Charter Fiberlink, Frontier, Sprint

• Prefix

  1-203-587
  County

  Fairfield

  City

  Georgetown

  Carrier

  Bandwidth.com, Cablevision Lightpath, Emergency Networks, Peerless Network

• Prefix

  1-203-588
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-589
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-590
  County

  Fairfield

  City

  Trumbull

  Carrier

  Bandwidth.com, Centurylink, Charter Fiberlink, Peerless Network

• Prefix

  1-203-591
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-592
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility

• Prefix

  1-203-593
  County

  Fairfield

  City

  Norwalk

  Carrier

  Usa Mobility

• Prefix

  1-203-594
  County

  Fairfield

  City

  New Canaan

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier, Peerless Network

• Prefix

  1-203-595
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Conversent Communications, Ctc Communications, Frontier, Verizon Wireless

• Prefix

  1-203-596
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-597
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-598
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-599
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Centurylink, Conversent Communications, Frontier, One Communications, Peerless Network

• Prefix

  1-203-600
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Metropcs

• Prefix

  1-203-601
  County

  Fairfield

  City

  Trumbull

  Carrier

  At&T, Bandwidth.com, Onvoy

• Prefix

  1-203-602
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-603
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-604
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility, Centurylink, Conversent Communications, Verizon Wireless

• Prefix

  1-203-605
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-606
  County

  New Haven

  City

  New Haven

  Carrier

  T-Mobile

• Prefix

  1-203-607
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Business

• Prefix

  1-203-608
  County

  New Haven

  City

  Meriden

  Carrier

  Bandwidth.com, Paetec

• Prefix

  1-203-609
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility, Frontier, Verizon Wireless

• Prefix

  1-203-610
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Conversent Communications, Verizon Wireless

• Prefix

  1-203-611
  County

  -

  City

  Telco Repair Service

  Carrier

  -

• Prefix

  1-203-612
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath, Centurylink, Global Crossing

• Prefix

  1-203-613
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint

• Prefix

  1-203-614
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier

• Prefix

  1-203-615
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Frontier, Verizon Wireless

• Prefix

  1-203-616
  County

  Fairfield

  City

  Danbury

  Carrier

  Centurylink, Comcast, Global Crossing, Paetec

• Prefix

  1-203-617
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T, Bandwidth.com, Ctc Communications, Sprint

• Prefix

  1-203-618
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-619
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Sprint

• Prefix

  1-203-620
  County

  Fairfield

  City

  Darien

  Carrier

  Verizon Business

• Prefix

  1-203-621
  County

  Fairfield

  City

  Darien

  Carrier

  Paetec, Sprint

• Prefix

  1-203-622
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-623
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-624
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-625
  County

  Fairfield

  City

  Greenwich

  Carrier

  Onvoy, Verizon

• Prefix

  1-203-626
  County

  New Haven

  City

  Wallingford

  Carrier

  At&T, Bandwidth.com, Comcast, Ctc Communications

• Prefix

  1-203-627
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint, T-Mobile

• Prefix

  1-203-628
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Bandwidth.com, Cablevision Lightpath, Comcast, Metropcs, T-Mobile, Verizon Wireless

• Prefix

  1-203-629
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-630
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-631
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility

• Prefix

  1-203-632
  County

  New Haven

  City

  Naugatuck

  Carrier

  Bandwidth.com, Comcast, One Communications, Sprint

• Prefix

  1-203-633
  County

  New Haven

  City

  Wolcott

  Carrier

  Bandwidth.com, Centurylink, Conversent Communications, Emergency Networks, Frontier, Peerless Network

• Prefix

  1-203-634
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-635
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Ctc Communications, Peerless Network

• Prefix

  1-203-636
  County

  Fairfield

  City

  Darien

  Carrier

  Verizon Business

• Prefix

  1-203-637
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Frontier

• Prefix

  1-203-638
  County

  Fairfield

  City

  Trumbull

  Carrier

  Paetec, T-Mobile

• Prefix

  1-203-639
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-640
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-641
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-642
  County

  Fairfield

  City

  Norwalk

  Carrier

  Cablevision Lightpath, Verizon Business, Verizon Wireless

• Prefix

  1-203-643
  County

  New Haven

  City

  Branford

  Carrier

  Centurylink, One Communications, Paetec, Verizon Business

• Prefix

  1-203-644
  County

  Fairfield

  City

  Norwalk

  Carrier

  Ctc Communications, Verizon Wireless

• Prefix

  1-203-645
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-646
  County

  New Haven

  City

  Branford

  Carrier

  Bandwidth.com, Global Crossing, Onvoy, Sprint, Terra Nova Telecom, Twilio International

• Prefix

  1-203-647
  County

  New Haven

  City

  Milford

  Carrier

  Paetec

• Prefix

  1-203-648
  County

  Fairfield

  City

  Danbury

  Carrier

  Centurylink, Sprint, T-Mobile

• Prefix

  1-203-649
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Paetec

• Prefix

  1-203-650
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint

• Prefix

  1-203-651
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Centurylink, One Communications, Sprint, Verizon Business

• Prefix

  1-203-652
  County

  Fairfield

  City

  New Canaan

  Carrier

  Centurylink, Paetec

• Prefix

  1-203-653
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Paetec

• Prefix

  1-203-654
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Ctc Communications, Frontier, T-Mobile

• Prefix

  1-203-655
  County

  Fairfield

  City

  Darien

  Carrier

  Frontier

• Prefix

  1-203-656
  County

  Fairfield

  City

  Darien

  Carrier

  Frontier

• Prefix

  1-203-657
  County

  New Haven

  City

  New Haven

  Carrier

  American Messaging

• Prefix

  1-203-658
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Verizon Wireless, Ymax Communications

• Prefix

  1-203-659
  County

  Fairfield

  City

  Fairfield

  Carrier

  Bandwidth.com, Paetec

• Prefix

  1-203-660
  County

  Fairfield

  City

  Byram

  Carrier

  Global Crossing, Onvoy, Terra Nova Telecom, Twilio International, Verizon Business, Ymax Communications

• Prefix

  1-203-661
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-662
  County

  Fairfield

  City

  Darien

  Carrier

  Frontier

• Prefix

  1-203-663
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Paetec

• Prefix

  1-203-664
  County

  Fairfield

  City

  Redding

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Emergency Networks, Onvoy

• Prefix

  1-203-665
  County

  Fairfield

  City

  Wilton

  Carrier

  Bandwidth.com, Ctc Communications, Paetec

• Prefix

  1-203-666
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T, Bandwidth.com, Centurylink, T-Mobile, Verizon Wireless

• Prefix

  1-203-667
  County

  Fairfield

  City

  Stamford

  Carrier

  Sprint

• Prefix

  1-203-668
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-669
  County

  Fairfield

  City

  Darien

  Carrier

  Centurylink, Conversent Communications, Ctc Communications, Emergency Networks, Global Crossing, Verizon Business

• Prefix

  1-203-670
  County

  Fairfield

  City

  Fairfield

  Carrier

  Emergency Networks, T-Mobile

• Prefix

  1-203-671
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-672
  County

  New Haven

  City

  New Haven

  Carrier

  Paetec

• Prefix

  1-203-673
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T, At&T Mobility, T-Mobile

• Prefix

  1-203-674
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier

• Prefix

  1-203-675
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-676
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-677
  County

  New Haven

  City

  Wallingford

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-678
  County

  New Haven

  City

  Wallingford

  Carrier

  Bandwidth.com, Comcast, Paetec, Peerless Network

• Prefix

  1-203-679
  County

  New Haven

  City

  Wallingford

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-680
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Centurylink, Frontier, Peerless Network

• Prefix

  1-203-681
  County

  Fairfield

  City

  Byram

  Carrier

  Cablevision Lightpath, Paetec, Verizon, Ymax Communications

• Prefix

  1-203-682
  County

  Fairfield

  City

  Westport

  Carrier

  At&T Mobility, Frontier, Paetec

• Prefix

  1-203-683
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Paetec

• Prefix

  1-203-684
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Centurylink, Metropcs, Ymax Communications

• Prefix

  1-203-685
  County

  Fairfield

  City

  Bridgeport

  Carrier

  T-Mobile

• Prefix

  1-203-686
  County

  New Haven

  City

  Meriden

  Carrier

  Frontier

• Prefix

  1-203-687
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, T-Mobile, Verizon Wireless

• Prefix

  1-203-688
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-689
  County

  New Haven

  City

  Guilford

  Carrier

  At&T, Bandwidth.com, Comcast, Ctc Communications, Frontier

• Prefix

  1-203-690
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T, Cablevision Lightpath, Ctc Communications, T-Mobile, Verizon Wireless

• Prefix

  1-203-691
  County

  New Haven

  City

  New Haven

  Carrier

  Comcast, Ctc Communications, Frontier

• Prefix

  1-203-692
  County

  Fairfield

  City

  Fairfield

  Carrier

  Centurylink, Emergency Networks, Global Crossing, Sprint, Verizon Business

• Prefix

  1-203-693
  County

  New Haven

  City

  Milford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Frontier, Onvoy, Peerless Network

• Prefix

  1-203-694
  County

  New Haven

  City

  Meriden

  Carrier

  At&T Mobility, Centurylink, Frontier, Metropcs, Sprint

• Prefix

  1-203-695
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier, Metropcs, Verizon Wireless

• Prefix

  1-203-696
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Frontier

• Prefix

  1-203-697
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier, Onvoy

• Prefix

  1-203-698
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Centurylink, Ctc Communications, Frontier

• Prefix

  1-203-699
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-700
  County

  -

  City

  Intralata Pic Validation

  Carrier

  -

• Prefix

  1-203-701
  County

  New Haven

  City

  Milford

  Carrier

  At&T, Bandwidth.com, Conversent Communications, Terra Nova Telecom, Verizon Business

• Prefix

  1-203-702
  County

  Fairfield

  City

  Danbury

  Carrier

  Paetec, Sprint

• Prefix

  1-203-703
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Frontier, Verizon Wireless

• Prefix

  1-203-704
  County

  New Haven

  City

  Wolcott

  Carrier

  Centurylink, Emergency Networks, Paetec, Sprint, Verizon Business

• Prefix

  1-203-705
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Business, Verizon Wireless

• Prefix

  1-203-706
  County

  New Haven

  City

  Waterbury

  Carrier

  Bandwidth.com, Ctc Communications, Metropcs, T-Mobile

• Prefix

  1-203-707
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Bandwidth.com, Ctc Communications, Verizon Wireless

• Prefix

  1-203-708
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-709
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-710
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-711
  County

  -

  City

  Telecommunications Relay Service

  Carrier

  -

• Prefix

  1-203-712
  County

  Fairfield

  City

  Huntington

  Carrier

  Centurylink, Comcast, Ctc Communications, Global Crossing, Verizon Business

• Prefix

  1-203-713
  County

  New Haven

  City

  Milford

  Carrier

  Cablevision Lightpath, Ctc Communications, Frontier, Global Crossing, Onvoy, Terra Nova Telecom, Twilio International

• Prefix

  1-203-714
  County

  New Haven

  City

  Naugatuck

  Carrier

  Bandwidth.com, Comcast, Ctc Communications, Emergency Networks, Frontier, Global Crossing, Paetec, Terra Nova Telecom, Twilio International

• Prefix

  1-203-715
  County

  New Haven

  City

  Meriden

  Carrier

  T-Mobile

• Prefix

  1-203-716
  County

  Fairfield

  City

  New Canaan

  Carrier

  Bandwidth.com, Centurylink, Emergency Networks, Global Crossing, Terra Nova Telecom, Twilio International, Verizon Business

• Prefix

  1-203-717
  County

  Fairfield

  City

  Greenwich

  Carrier

  Cablevision Lightpath, Onvoy, Paetec, Voxbeam Telecom, Ymax Communications

• Prefix

  1-203-718
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Centurylink, Ctc Communications, Global Crossing

• Prefix

  1-203-719
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-720
  County

  New Haven

  City

  Naugatuck

  Carrier

  Centurylink, Frontier, Telnyx

• Prefix

  1-203-721
  County

  New Haven

  City

  Waterbury

  Carrier

  Bandwidth.com, Centurylink, Onvoy, Sprint, T-Mobile, Verizon Business, Verizon Wireless

• Prefix

  1-203-722
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility

• Prefix

  1-203-723
  County

  New Haven

  City

  Naugatuck

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-724
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, One Communications, Verizon Wireless

• Prefix

  1-203-725
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Comcast, Metropcs, Verizon Wireless

• Prefix

  1-203-726
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint, Verizon Wireless, Ymax Communications

• Prefix

  1-203-727
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Sprint, Verizon Wireless

• Prefix

  1-203-728
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-729
  County

  New Haven

  City

  Naugatuck

  Carrier

  Frontier

• Prefix

  1-203-730
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-731
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-732
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  Frontier

• Prefix

  1-203-733
  County

  Fairfield

  City

  Danbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-734
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  Frontier

• Prefix

  1-203-735
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  Frontier

• Prefix

  1-203-736
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-737
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-738
  County

  New Haven

  City

  Guilford

  Carrier

  Centurylink, One Communications, Onvoy, Sprint

• Prefix

  1-203-739
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Frontier, Sprint

• Prefix

  1-203-740
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-741
  County

  New Haven

  City

  Wallingford

  Carrier

  Bandwidth.com, Comcast, Frontier

• Prefix

  1-203-742
  County

  Fairfield

  City

  Greenwich

  Carrier

  Cablevision Lightpath, Centurylink, Verizon Business

• Prefix

  1-203-743
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-744
  County

  Fairfield

  City

  Danbury

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-745
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Centurylink, Comcast, Frontier, Verizon Wireless

• Prefix

  1-203-746
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-747
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, At&T Mobility, Bandwidth.com, T-Mobile, Verizon Wireless

• Prefix

  1-203-748
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-749
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-750
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-751
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  Comcast, Frontier, T-Mobile, Verizon Wireless

• Prefix

  1-203-752
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-753
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-754
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-755
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-756
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-757
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-758
  County

  New Haven

  City

  Waterbury

  Carrier

  Frontier

• Prefix

  1-203-759
  County

  New Haven

  City

  Waterbury

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-760
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Peerless Network

• Prefix

  1-203-761
  County

  Fairfield

  City

  Wilton

  Carrier

  Frontier

• Prefix

  1-203-762
  County

  Fairfield

  City

  Wilton

  Carrier

  Cablevision Lightpath, Frontier

• Prefix

  1-203-763
  County

  Fairfield

  City

  Fairfield

  Carrier

  Bandwidth.com, Centurylink, Sprint, Verizon Business

• Prefix

  1-203-764
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, Frontier, One Communications

• Prefix

  1-203-765
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-766
  County

  New Haven

  City

  New Haven

  Carrier

  American Messaging

• Prefix

  1-203-767
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-768
  County

  New Haven

  City

  Waterbury

  Carrier

  T-Mobile

• Prefix

  1-203-769
  County

  Fairfield

  City

  Greenwich

  Carrier

  Broadview Networks, Cablevision Lightpath, Onvoy, Verizon, Verizon Business, Ymax Communications

• Prefix

  1-203-770
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility

• Prefix

  1-203-771
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-772
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Frontier, T-Mobile

• Prefix

  1-203-773
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-774
  County

  New Haven

  City

  Wallingford

  Carrier

  Centurylink, One Communications, Onvoy

• Prefix

  1-203-775
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-776
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-777
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-778
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-779
  County

  New Haven

  City

  Madison

  Carrier

  Centurylink, Comcast, One Communications, Paetec, Sprint

• Prefix

  1-203-780
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, Comcast, Paetec, Peerless Network, Verizon Wireless

• Prefix

  1-203-781
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, T-Mobile

• Prefix

  1-203-782
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-783
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-784
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-785
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-786
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-787
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-788
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility

• Prefix

  1-203-789
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-790
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-791
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-792
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-793
  County

  New Haven

  City

  Wallingford

  Carrier

  At&T, Centurylink, Comcast, Conversent Communications, Global Crossing, Onvoy, Terra Nova Telecom

• Prefix

  1-203-794
  County

  Fairfield

  City

  Danbury

  Carrier

  Bandwidth.com, Centurylink, Frontier, Verizon Wireless

• Prefix

  1-203-795
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-796
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-797
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-798
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-799
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-800
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Ctc Communications, Sprint, Verizon Wireless

• Prefix

  1-203-801
  County

  Fairfield

  City

  New Canaan

  Carrier

  Centurylink, Conversent Communications, Frontier, Sprint, Verizon Business

• Prefix

  1-203-802
  County

  New Haven

  City

  Waterbury

  Carrier

  Bandwidth.com, Centurylink, Metropcs, Verizon Wireless

• Prefix

  1-203-803
  County

  Fairfield

  City

  Norwalk

  Carrier

  Centurylink, Verizon Wireless

• Prefix

  1-203-804
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-805
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T, At&T Mobility, Bandwidth.com, Comcast, Sprint

• Prefix

  1-203-806
  County

  New Haven

  City

  Cheshire

  Carrier

  At&T, Bandwidth.com, Centurylink, Comcast, Ctc Communications, Onvoy

• Prefix

  1-203-807
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility, Bandwidth.com, Metropcs

• Prefix

  1-203-808
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, T-Mobile

• Prefix

  1-203-809
  County

  New Haven

  City

  New Haven

  Carrier

  T-Mobile

• Prefix

  1-203-810
  County

  Fairfield

  City

  Norwalk

  Carrier

  Cablevision Lightpath, Verizon Wireless

• Prefix

  1-203-811
  County

  -

  City

  One Call Services-Pipeline And Utility Safety

  Carrier

  -

• Prefix

  1-203-812
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Frontier, T-Mobile

• Prefix

  1-203-813
  County

  Fairfield

  City

  Byram

  Carrier

  At&T, Cablevision Lightpath, Onvoy, Ymax Communications

• Prefix

  1-203-814
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Ctc Communications, Sprint, Verizon Wireless

• Prefix

  1-203-815
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, Verizon Wireless

• Prefix

  1-203-816
  County

  Fairfield

  City

  Trumbull

  Carrier

  Bandwidth.com, Centurylink, Global Crossing, Sprint

• Prefix

  1-203-817
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Verizon Wireless

• Prefix

  1-203-818
  County

  Fairfield

  City

  Norwalk

  Carrier

  Metropcs, Verizon Business, Verizon Wireless

• Prefix

  1-203-819
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, Bandwidth.com, Centurylink, Metropcs, T-Mobile, Verizon Wireless

• Prefix

  1-203-820
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint, Ymax Communications

• Prefix

  1-203-821
  County

  New Haven

  City

  New Haven

  Carrier

  Comcast, Frontier, T-Mobile

• Prefix

  1-203-822
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T, At&T Mobility, Bandwidth.com

• Prefix

  1-203-823
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Comcast, One Communications, Sprint, Verizon Wireless

• Prefix

  1-203-824
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-825
  County

  Fairfield

  City

  Danbury

  Carrier

  Frontier

• Prefix

  1-203-826
  County

  Fairfield

  City

  Danbury

  Carrier

  Centurylink, Comcast, Frontier, One Communications, Sprint, Ymax Communications

• Prefix

  1-203-827
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Verizon Business

• Prefix

  1-203-828
  County

  New Haven

  City

  Seymour

  Carrier

  Centurylink, Comcast, Global Crossing, Sprint

• Prefix

  1-203-829
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint

• Prefix

  1-203-830
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-831
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-832
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-833
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, T-Mobile, Verizon Wireless

• Prefix

  1-203-834
  County

  Fairfield

  City

  Wilton

  Carrier

  Frontier

• Prefix

  1-203-835
  County

  Fairfield

  City

  Norwalk

  Carrier

  Usa Mobility

• Prefix

  1-203-836
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Ctc Communications, Verizon Business, Verizon Wireless

• Prefix

  1-203-837
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Frontier, Terra Nova Telecom, Verizon Wireless

• Prefix

  1-203-838
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-839
  County

  Fairfield

  City

  Norwalk

  Carrier

  Usa Mobility

• Prefix

  1-203-840
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-841
  County

  New Haven

  City

  Waterbury

  Carrier

  At&T Mobility, One Communications, T-Mobile

• Prefix

  1-203-842
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Centurylink, Ctc Communications, Frontier, Global Crossing, Ymax Communications

• Prefix

  1-203-843
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, At&T Mobility

• Prefix

  1-203-844
  County

  Fairfield

  City

  Fairfield

  Carrier

  Verizon Business

• Prefix

  1-203-845
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-846
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-847
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-848
  County

  New Haven

  City

  New Haven

  Carrier

  Conversent Communications, Verizon Wireless

• Prefix

  1-203-849
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-850
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Metropcs

• Prefix

  1-203-851
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-852
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-853
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-854
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-855
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-856
  County

  Fairfield

  City

  Norwalk

  Carrier

  Verizon Wireless

• Prefix

  1-203-857
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Cablevision Lightpath, Frontier

• Prefix

  1-203-858
  County

  Fairfield

  City

  Norwalk

  Carrier

  Verizon Wireless

• Prefix

  1-203-859
  County

  New Haven

  City

  New Haven

  Carrier

  Comcast, Conversent Communications, Verizon Business, Verizon Wireless

• Prefix

  1-203-860
  County

  -

  City

  -

  Carrier

  -

• Prefix

  1-203-861
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-862
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-863
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-864
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Metropcs, Sprint, Verizon Wireless

• Prefix

  1-203-865
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-866
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-867
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-868
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, Sprint, Verizon Wireless

• Prefix

  1-203-869
  County

  Fairfield

  City

  Greenwich

  Carrier

  Verizon

• Prefix

  1-203-870
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Cablevision Lightpath

• Prefix

  1-203-871
  County

  New Haven

  City

  Branford

  Carrier

  At&T, Bandwidth.com, Centurylink, Sprint

• Prefix

  1-203-872
  County

  New Haven

  City

  Cheshire

  Carrier

  Bandwidth.com, Frontier, Onvoy, Terra Nova Telecom

• Prefix

  1-203-873
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Frontier, Verizon Business

• Prefix

  1-203-874
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-875
  County

  Fairfield

  City

  Darien

  Carrier

  At&T, Verizon Business

• Prefix

  1-203-876
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-877
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-878
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-879
  County

  New Haven

  City

  Wolcott

  Carrier

  Frontier

• Prefix

  1-203-880
  County

  Fairfield

  City

  Trumbull

  Carrier

  At&T, Charter Fiberlink, Ctc Communications, Frontier, Terra Nova Telecom

• Prefix

  1-203-881
  County

  New Haven

  City

  Seymour

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-882
  County

  New Haven

  City

  Milford

  Carrier

  Frontier

• Prefix

  1-203-883
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Centurylink, Verizon Wireless

• Prefix

  1-203-884
  County

  New Haven

  City

  Guilford

  Carrier

  Bandwidth.com, Emergency Networks, Global Crossing, Onvoy, Telnyx, Terra Nova Telecom

• Prefix

  1-203-885
  County

  Fairfield

  City

  Danbury

  Carrier

  Bandwidth.com, Centurylink, Verizon Wireless

• Prefix

  1-203-886
  County

  New Haven

  City

  Meriden

  Carrier

  Metropcs, One Communications, Sprint

• Prefix

  1-203-887
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-888
  County

  New Haven

  City

  Seymour

  Carrier

  Frontier

• Prefix

  1-203-889
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Centurylink, Comcast, Global Crossing, Sprint, Verizon Wireless

• Prefix

  1-203-890
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Frontier

• Prefix

  1-203-891
  County

  New Haven

  City

  New Haven

  Carrier

  Comcast, Frontier

• Prefix

  1-203-892
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Bandwidth.com, T-Mobile, Verizon Wireless

• Prefix

  1-203-893
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, T-Mobile, Verizon Business, Verizon Wireless

• Prefix

  1-203-894
  County

  Fairfield

  City

  Ridgefield

  Carrier

  Comcast, Frontier, Paetec, Peerless Network

• Prefix

  1-203-895
  County

  Fairfield

  City

  Trumbull

  Carrier

  At&T Mobility

• Prefix

  1-203-896
  County

  New Haven

  City

  Madison

  Carrier

  Bandwidth.com, Ctc Communications, Global Crossing, Peerless Network, Terra Nova Telecom, Twilio International

• Prefix

  1-203-897
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Business

• Prefix

  1-203-898
  County

  Fairfield

  City

  Darien

  Carrier

  Sprint, Verizon Business

• Prefix

  1-203-899
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-900
  County

  Fairfield

  City

  Greenwich

  Carrier

  At&T, Bandwidth.com, Cablevision Lightpath, Centurylink, Peerless Network

• Prefix

  1-203-901
  County

  New Haven

  City

  New Haven

  Carrier

  Centurylink, Sprint, T-Mobile

• Prefix

  1-203-902
  County

  New Haven

  City

  New Haven

  Carrier

  Onvoy

• Prefix

  1-203-903
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Centurylink, Frontier, Verizon Wireless

• Prefix

  1-203-904
  County

  Fairfield

  City

  Norwalk

  Carrier

  Centurylink, Sprint, T-Mobile, Verizon Wireless

• Prefix

  1-203-905
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T, Verizon Wireless

• Prefix

  1-203-906
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, Verizon Wireless

• Prefix

  1-203-907
  County

  New Haven

  City

  New Haven

  Carrier

  One Communications, Verizon Wireless

• Prefix

  1-203-908
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Cablevision Lightpath, T-Mobile, Verizon Wireless

• Prefix

  1-203-909
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Centurylink, T-Mobile, Verizon Wireless

• Prefix

  1-203-910
  County

  New Haven

  City

  Waterbury

  Carrier

  Verizon Wireless

• Prefix

  1-203-911
  County

  -

  City

  Emergency Services

  Carrier

  -

• Prefix

  1-203-912
  County

  Fairfield

  City

  Stamford

  Carrier

  Verizon Wireless

• Prefix

  1-203-913
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Wireless

• Prefix

  1-203-914
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Verizon Wireless

• Prefix

  1-203-915
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-916
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Bandwidth.com, Cablevision Lightpath, Centurylink, Frontier

• Prefix

  1-203-917
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Comcast, Sprint, Verizon Wireless

• Prefix

  1-203-918
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-919
  County

  Fairfield

  City

  Norwalk

  Carrier

  T-Mobile, Verizon Wireless

• Prefix

  1-203-920
  County

  Fairfield

  City

  New Canaan

  Carrier

  Cablevision Lightpath, Centurylink, Verizon Business

• Prefix

  1-203-921
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-922
  County

  Fairfield

  City

  Huntington

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-923
  County

  Fairfield

  City

  Bridgeport

  Carrier

  At&T Mobility, Cablevision Lightpath, Sprint, Verizon Business

• Prefix

  1-203-924
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-925
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-926
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-927
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint, Verizon Wireless

• Prefix

  1-203-928
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Frontier, T-Mobile

• Prefix

  1-203-929
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-930
  County

  Fairfield

  City

  Greenwich

  Carrier

  Centurylink, Emergency Networks, Global Crossing, Onvoy, Verizon Business, Ymax Communications

• Prefix

  1-203-931
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility, Frontier

• Prefix

  1-203-932
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-933
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-934
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-935
  County

  New Haven

  City

  Meriden

  Carrier

  Bandwidth.com, Centurylink, Global Crossing, Metropcs, T-Mobile, Twilio International

• Prefix

  1-203-936
  County

  New Haven

  City

  New Haven

  Carrier

  Bandwidth.com, Centurylink, Frontier

• Prefix

  1-203-937
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Verizon Business

• Prefix

  1-203-938
  County

  Fairfield

  City

  Redding

  Carrier

  Frontier

• Prefix

  1-203-939
  County

  Fairfield

  City

  Norwalk

  Carrier

  Bandwidth.com, Cablevision Lightpath, Verizon Wireless

• Prefix

  1-203-940
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-941
  County

  New Haven

  City

  Seymour

  Carrier

  Bandwidth.com, Centurylink, Peerless Network, Sprint

• Prefix

  1-203-942
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Comcast, Sprint, Verizon Wireless

• Prefix

  1-203-943
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint

• Prefix

  1-203-944
  County

  Fairfield

  City

  Huntington

  Carrier

  Frontier

• Prefix

  1-203-945
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility, Conversent Communications, Frontier, Peerless Network

• Prefix

  1-203-946
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier

• Prefix

  1-203-947
  County

  Fairfield

  City

  Danbury

  Carrier

  At&T Mobility, Sprint, T-Mobile

• Prefix

  1-203-948
  County

  Fairfield

  City

  Danbury

  Carrier

  Sprint

• Prefix

  1-203-949
  County

  New Haven

  City

  Wallingford

  Carrier

  Frontier

• Prefix

  1-203-950
  County

  -

  City

  Fgb Access Code

  Carrier

  -

• Prefix

  1-203-951
  County

  New Haven

  City

  Milford

  Carrier

  At&T, Bandwidth.com, Centurylink, One Communications

• Prefix

  1-203-952
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint, Verizon Wireless

• Prefix

  1-203-953
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Commio Llc, Conversent Communications, Sprint

• Prefix

  1-203-954
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  One Communications, Sprint, T-Mobile

• Prefix

  1-203-955
  County

  Fairfield

  City

  Fairfield

  Carrier

  Cablevision Lightpath, Verizon Business

• Prefix

  1-203-956
  County

  Fairfield

  City

  Norwalk

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-957
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility, Cablevision Lightpath, Centurylink, Verizon Wireless

• Prefix

  1-203-958
  County

  -

  City

  Standard Plant Test Code

  Carrier

  -

• Prefix

  1-203-959
  County

  -

  City

  Standard Plant Test Code

  Carrier

  -

• Prefix

  1-203-960
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath

• Prefix

  1-203-961
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-962
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-963
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-964
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-965
  County

  Fairfield

  City

  Stamford

  Carrier

  Ctc Communications, Frontier, Verizon Wireless

• Prefix

  1-203-966
  County

  Fairfield

  City

  New Canaan

  Carrier

  Frontier

• Prefix

  1-203-967
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-968
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-969
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-970
  County

  Fairfield

  City

  Norwalk

  Carrier

  At&T Mobility, Cablevision Lightpath, Verizon Wireless

• Prefix

  1-203-971
  County

  Fairfield

  City

  Greenwich

  Carrier

  Barr Tell Usa, Cablevision Lightpath, Onvoy, Verizon, Ymax Communications

• Prefix

  1-203-972
  County

  Fairfield

  City

  New Canaan

  Carrier

  Frontier

• Prefix

  1-203-973
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Frontier, Verizon Wireless

• Prefix

  1-203-974
  County

  New Haven

  City

  New Haven

  Carrier

  At&T, Verizon Wireless

• Prefix

  1-203-975
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-976
  County

  -

  City

  Information Provider

  Carrier

  -

• Prefix

  1-203-977
  County

  Fairfield

  City

  Stamford

  Carrier

  Frontier

• Prefix

  1-203-978
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Frontier

• Prefix

  1-203-979
  County

  Fairfield

  City

  Stamford

  Carrier

  At&T Mobility

• Prefix

  1-203-980
  County

  New Haven

  City

  New Haven

  Carrier

  Verizon Wireless

• Prefix

  1-203-981
  County

  Fairfield

  City

  Norwalk

  Carrier

  Sprint

• Prefix

  1-203-982
  County

  New Haven

  City

  Waterbury

  Carrier

  Metropcs, Sprint

• Prefix

  1-203-983
  County

  Fairfield

  City

  Greenwich

  Carrier

  Cablevision Lightpath, Conversent Communications, Verizon, Ymax Communications

• Prefix

  1-203-984
  County

  Fairfield

  City

  Norwalk

  Carrier

  Verizon Wireless

• Prefix

  1-203-985
  County

  New Haven

  City

  New Haven

  Carrier

  Frontier, Verizon Wireless

• Prefix

  1-203-986
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Verizon Business

• Prefix

  1-203-987
  County

  Fairfield

  City

  Greenwich

  Carrier

  Broadview Networks, Centurylink, Ymax Communications

• Prefix

  1-203-988
  County

  New Haven

  City

  New Haven

  Carrier

  At&T Mobility

• Prefix

  1-203-989
  County

  Fairfield

  City

  Stamford

  Carrier

  Cablevision Lightpath, Centurylink, Peerless Network, Verizon Wireless

• Prefix

  1-203-990
  County

  Fairfield

  City

  Old Greenwich

  Carrier

  Cablevision Lightpath, Centurylink, Peerless Network, Verizon Business

• Prefix

  1-203-991
  County

  Fairfield

  City

  Norwalk

  Carrier

  Frontier

• Prefix

  1-203-992
  County

  Fairfield

  City

  Greenwich

  Carrier

  At&T, Broadview Networks, Cablevision Lightpath, Verizon Business, Ymax Communications

• Prefix

  1-203-993
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Bandwidth.com, Centurylink, T-Mobile, Verizon Wireless

• Prefix

  1-203-994
  County

  Fairfield

  City

  Danbury

  Carrier

  Sprint, T-Mobile

• Prefix

  1-203-995
  County

  Fairfield

  City

  Bridgeport

  Carrier

  Verizon Business

• Prefix

  1-203-996
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint

• Prefix

  1-203-997
  County

  New Haven

  City

  Ansonia-Derby

  Carrier

  At&T Mobility, T-Mobile, Verizon Wireless

• Prefix

  1-203-998
  County

  Fairfield

  City

  Stamford

  Carrier

  Bandwidth.com, Cablevision Lightpath, Centurylink, Peerless Network, T-Mobile, Verizon Wireless

• Prefix

  1-203-999
  County

  New Haven

  City

  New Haven

  Carrier

  Sprint