USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (203) XXX-XXXX / Page 3

Phone numbers of the state Connecticut
Prefix: +1203
This prefix is distributed within the state Connecticut
The largest city in the region is New Haven
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-203-...-.... Connecticut New Haven.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1 (203) XXX-XXXX

Other pages: 1235678910
Company District Major City Prefix
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1 (203) 444-XXXX
Southern New England Telephone Co.FairfieldTrumbull, CT+1 (203) 445-XXXX
Teleport Communications Group - New YorkNew HavenDerby, CT+1 (203) 446-XXXX
Teleport Communications Group - New YorkFairfieldHuntington, CT+1 (203) 447-XXXX
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDanbury, CT+1 (203) 448-XXXX
Sprint Spectrum L.p.FairfieldBridgeport, CT+1 (203) 449-XXXX
Cellco Partnership DBA Verizon WirelessBridgeport, CT+1 (203) 450-XXXX
New Cingular Wireless PCS - DCFairfieldWestport, CT+1 (203) 451-XXXX
Southern New England Telephone Co.FairfieldTrumbull, CT+1 (203) 452-XXXX
Southern New England Telephone Co.New HavenGuilford, CT+1 (203) 453-XXXX
Southern New England Telephone Co.FairfieldWestport, CT+1 (203) 454-XXXX
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldBridgeport, CT+1 (203) 455-XXXX
Usa Mobility WirelessNew HavenMeriden, CT+1 (203) 456-XXXX
Southern New England Telephone Co.New HavenGuilford, CT+1 (203) 457-XXXX
Southern New England Telephone Co.New HavenGuilford, CT+1 (203) 458-XXXX
Southern New England Telephone Co.FairfieldTrumbull, CT+1 (203) 459-XXXX
AT&T LocalFairfieldDanbury, CT+1 (203) 460-XXXX
Southern New England Telephone Co.FairfieldStamford, CT+1 (203) 461-XXXX
Southern New England Telephone Co.FairfieldStamford, CT+1 (203) 462-XXXX
Teleport Communications Group - New YorkNew HavenSeymour, CT+1 (203) 463-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1 (203) 464-XXXX
Southern New England Telephone Co.New HavenWaterbury, CT+1 (203) 465-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 466-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 467-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 468-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 469-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1 (203) 470-XXXX
Usa Mobility WirelessNew HavenNew Haven, CT+1 (203) 477-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 479-XXXX
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldFairfield, CT+1 (203) 480-XXXX
Southern New England Telephone Co.New HavenBranford, CT+1 (203) 481-XXXX
New Cingular Wireless PCS - DCFairfieldDanbury, CT+1 (203) 482-XXXX
Southern New England Telephone Co.New HavenBranford, CT+1 (203) 483-XXXX
Southern New England Telephone Co.New HavenNorthford, CT+1 (203) 484-XXXX
Cablevision LightpathFairfieldGreenwich, CT+1 (203) 485-XXXX
Southern New England Telephone Co.New HavenSouthbury, CT+1 (203) 486-XXXX
Global Crossing Local Services-ctFairfieldStamford, CT+1 (203) 487-XXXX
Southern New England Telephone Co.New HavenBranford, CT+1 (203) 488-XXXX
Cablevision LightpathFairfieldNorwalk, CT+1 (203) 489-XXXX
Teleport Communications Group - New YorkNew HavenNaugatuck, CT+1 (203) 490-XXXX
Bandwidth.com ClecNew HavenNewtown, CT+1 (203) 491-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 492-XXXX
Level 3 CommunicationsFairfieldRedding, CT+1 (203) 493-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1 (203) 494-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 495-XXXX
Nextel CommunicationsFairfieldGreenwich, CT+1 (203) 496-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 497-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 498-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 499-XXXX
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1 (203) 500-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenDanbury, CT+1 (203) 501-XXXX
Southern New England Telephone Co.FairfieldBridgeport, CT+1 (203) 502-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 503-XXXX
Ctc Communications Corp.FairfieldStamford, CT+1 (203) 504-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1 (203) 505-XXXX
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1 (203) 506-XXXX
Sprint Spectrum L.p.New HavenNew Haven, CT+1 (203) 507-XXXX
Ctc Communications Corp.New HavenNew Haven, CT+1 (203) 508-XXXX
Nextel CommunicationsNew HavenWaterbury, CT+1 (203) 509-XXXX
Sprint Spectrum L.p.New HavenWaterbury, CT+1 (203) 510-XXXX
Omnipoint CommunicationsFairfieldDanbury, CT+1 (203) 512-XXXX
AT&T LocalNew HavenNew Haven, CT+1 (203) 513-XXXX
Teleport Communications Group - New YorkNew HavenMeriden, CT+1 (203) 514-XXXX
Nextel CommunicationsFairfieldNorwalk, CT+1 (203) 515-XXXX
Global Crossing Local Services-ctNew HavenDerby, CT+1 (203) 516-XXXX
Level 3 CommunicationsFairfieldStamford, CT+1 (203) 517-XXXX
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1 (203) 518-XXXX
Sprint Spectrum L.p.New HavenWaterbury, CT+1 (203) 519-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1 (203) 520-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1 (203) 521-XXXX
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1 (203) 522-XXXX
Teleport Communications Group - New YorkFairfieldNorwalk, CT+1 (203) 523-XXXX
New Cingular Wireless PCS - DCFairfieldStamford, CT+1 (203) 524-XXXX
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1 (203) 525-XXXX
Sprint Spectrum L.p.FairfieldBridgeport, CT+1 (203) 526-XXXX
Southern New England Telephone Co.New HavenWaterbury, CT+1 (203) 527-XXXX
Level 3 CommunicationsNew HavenWaterbury, CT+1 (203) 528-XXXX
AT&T LocalFairfieldWilton, CT+1 (203) 529-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1 (203) 530-XXXX
Verizon New YorkFairfieldGreenwich, CT+1 (203) 531-XXXX

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