Database of North America’s phone numbers
Database of North America’s
phone numbers

Telephone Area 203. Page 6.

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.

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

Phone numbers +1-203-YYY-YYYY

Other pages: 1234568910
Company District Major City Prefix
Southern New England Telephone Co.New HavenWaterbury, CT+1-203695-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203696-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203697-SSSS
Southern New England Telephone Co.FairfieldOld Greenwich, CT+1-203698-SSSS
Southern New England Telephone Co.New HavenCheshire, CT+1-203699-SSSS
AT&T LocalNew HavenNew Haven, CT+1-203701-SSSS
Paetec CommunicationsFairfieldDanbury, CT+1-203702-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203703-SSSS
Broadwing CommunicationsNew HavenWolcott, CT+1-203704-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203705-SSSS
Ctc Communications Corp.New HavenWaterbury, CT+1-203706-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldWaterbury, CT+1-203707-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203708-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203709-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203710-SSSS
Global Crossing Local Services-ctFairfieldHuntington, CT+1-203712-SSSS
Global Crossing Local Services-ctNew HavenMilford, CT+1-203713-SSSS
Global Crossing Local Services-ctNew HavenNaugatuck, CT+1-203714-SSSS
Omnipoint CommunicationsNew HavenMeriden, CT+1-203715-SSSS
Global Crossing Local Services-ctFairfieldStamford, CT+1-203716-SSSS
Cablevision LightpathFairfieldGreenwich, CT+1-203717-SSSS
Global Crossing Local Services-ctNew HavenCheshire, CT+1-203718-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203719-SSSS
Southern New England Telephone Co.New HavenNaugatuck, CT+1-203720-SSSS
AT&T LocalNew HavenWaterbury, CT+1-203721-SSSS
New Cingular Wireless PCS - DCFairfieldNorwalk, CT+1-203722-SSSS
Southern New England Telephone Co.New HavenNaugatuck, CT+1-203723-SSSS
Choice One CommunicationsFairfieldStamford, CT+1-203724-SSSS
Cox Connecticut TelecomNew HavenWaterbury, CT+1-203725-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203726-SSSS
Sprint Spectrum L.p.FairfieldBridgeport, CT+1-203727-SSSS
Southern New England Telephone Co.Stamford, CT+1-203728-SSSS
Southern New England Telephone Co.New HavenNaugatuck, CT+1-203729-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203730-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203731-SSSS
Southern New England Telephone Co.New HavenAnsonia, CT+1-203732-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1-203733-SSSS
Southern New England Telephone Co.New HavenAnsonia, CT+1-203734-SSSS
Southern New England Telephone Co.New HavenAnsonia, CT+1-203735-SSSS
Southern New England Telephone Co.New HavenAnsonia, CT+1-203736-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203737-SSSS
Choice One CommunicationsNew HavenGuilford, CT+1-203738-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203739-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203740-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203741-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldGreenwich, CT+1-203742-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203743-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203744-SSSS
Sbc Internet ServicesNew HavenNew Haven, CT+1-203745-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203746-SSSS
Teleport Communications Group - New YorkNew HavenNew Haven, CT+1-203747-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203748-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203749-SSSS
Southern New England Telephone Co.FairfieldNorwalk, CT+1-203750-SSSS
Southern New England Telephone Co.New HavenAnsonia, CT+1-203751-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203752-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203753-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203754-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203755-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203756-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203757-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203758-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203759-SSSS
Usa Mobility WirelessFairfieldNorwalk, CT+1-203760-SSSS
Southern New England Telephone Co.FairfieldWilton, CT+1-203761-SSSS
Southern New England Telephone Co.FairfieldWilton, CT+1-203762-SSSS
Level 3 CommunicationsFairfieldFairfield, CT+1-203763-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203764-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203765-SSSS
American Messaging (am)New HavenNew Haven, CT+1-203766-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203767-SSSS
Omnipoint CommunicationsNew HavenWaterbury, CT+1-203768-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203769-SSSS
New Cingular Wireless PCS - DCFairfieldDanbury, CT+1-203770-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203771-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203772-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203773-SSSS
Choice One CommunicationsNew HavenWallingford, CT+1-203774-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203775-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203776-SSSS

If you have not found the required prefix in the table, you can use the search of a full telephone number at the top of the site or the advanced search.

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