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

Telephone Area 203. Page 5.

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: 1234578910
Company District Major City Prefix
Southern New England Telephone Co.FairfieldStamford, CT+1-203614-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203615-SSSS
Global Crossing Local Services-ctFairfieldDanbury, CT+1-203616-SSSS
Sprint Spectrum L.p.Danbury, CT+1-203617-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203618-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203619-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1-203620-SSSS
Paetec CommunicationsFairfieldDarien, CT+1-203621-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203622-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203623-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203624-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203625-SSSS
AT&T LocalNew HavenNew Haven, CT+1-203626-SSSS
Nextel CommunicationsNew HavenNew Haven, CT+1-203627-SSSS
Cablevision LightpathFairfieldDanbury, CT+1-203628-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203629-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203630-SSSS
New Cingular Wireless PCS - DCNew HavenMeriden, CT+1-203631-SSSS
Choice One CommunicationsNew HavenNaugatuck, CT+1-203632-SSSS
Level 3 CommunicationsNew HavenWolcott, CT+1-203633-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203634-SSSS
Level 3 CommunicationsFairfieldStamford, CT+1-203635-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1-203636-SSSS
Southern New England Telephone Co.FairfieldOld Greenwich, CT+1-203637-SSSS
Paetec CommunicationsFairfieldTrumbull, CT+1-203638-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203639-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203640-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203641-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203642-SSSS
Choice One CommunicationsNew HavenBranford, CT+1-203643-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1-203644-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203645-SSSS
Global Crossing Local Services-ctNew HavenBranford, CT+1-203646-SSSS
Paetec CommunicationsNew HavenMilford, CT+1-203647-SSSS
Level 3 CommunicationsFairfieldDanbury, CT+1-203648-SSSS
Paetec CommunicationsNew HavenCheshire, CT+1-203649-SSSS
Nextel CommunicationsFairfieldBridgeport, CT+1-203650-SSSS
Choice One CommunicationsNew HavenCheshire, CT+1-203651-SSSS
Paetec CommunicationsFairfieldStamford, CT+1-203652-SSSS
Paetec CommunicationsFairfieldStamford, CT+1-203653-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203654-SSSS
Southern New England Telephone Co.FairfieldDarien, CT+1-203655-SSSS
Southern New England Telephone Co.FairfieldDarien, CT+1-203656-SSSS
American Messaging (am)New HavenNew Haven, CT+1-203657-SSSS
Teleport Communications Group - New YorkFairfieldStamford, CT+1-203658-SSSS
Paetec CommunicationsFairfieldFairfield, CT+1-203659-SSSS
Global Crossing Local Services-ctFairfieldGreenwich, CT+1-203660-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203661-SSSS
Southern New England Telephone Co.FairfieldDarien, CT+1-203662-SSSS
Paetec CommunicationsFairfieldStamford, CT+1-203663-SSSS
Cablevision LightpathFairfieldRedding, CT+1-203664-SSSS
Paetec CommunicationsFairfieldStamford, CT+1-203665-SSSS
Nextel CommunicationsFairfieldStamford, CT+1-203667-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203668-SSSS
Global Crossing Local Services-ctFairfieldDarien, CT+1-203669-SSSS
American Messaging (am)New HavenWaterbury, CT+1-203670-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203671-SSSS
Paetec CommunicationsNew HavenNew Haven, CT+1-203672-SSSS
AT&T LocalFairfieldBridgeport, CT+1-203673-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203674-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203675-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203676-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203677-SSSS
Paetec CommunicationsNew HavenWallingford, CT+1-203678-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203679-SSSS
Usa Mobility WirelessNew HavenWaterbury, CT+1-203680-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203681-SSSS
Paetec CommunicationsFairfieldStamford, CT+1-203682-SSSS
Paetec CommunicationsFairfieldBridgeport, CT+1-203683-SSSS
Metro PCSNew HavenNew Haven, CT+1-203684-SSSS
Omnipoint CommunicationsFairfieldBridgeport, CT+1-203685-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203686-SSSS
Level 3 CommunicationsNew HavenNew Haven, CT+1-203687-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203688-SSSS
AT&T LocalNew HavenNew Haven, CT+1-203689-SSSS
Omnipoint CommunicationsBridgeport, CT+1-203690-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203691-SSSS
Global Crossing Local Services-ctFairfieldFairfield, CT+1-203692-SSSS
Cablevision LightpathFairfieldMilford, CT+1-203693-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203694-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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