North American Telephone Operator
North American
Telephone Operator

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.

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-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

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