North American Telephone Operator
North American
Telephone Operator

Telephone Area 203. Page 8.

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: 1234567810
Company District Major City Prefix
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1-203858-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctNew HavenNew Haven, CT+1-203859-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203861-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203862-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203863-SSSS
Sprint Spectrum L.p.FairfieldBridgeport, CT+1-203864-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203865-SSSS
Southern New England Telephone Co.FairfieldNorwalk, CT+1-203866-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203867-SSSS
AT&T LocalNew HavenNew Haven, CT+1-203868-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203869-SSSS
Cablevision LightpathFairfieldBridgeport, CT+1-203870-SSSS
Teleport Communications Group - New YorkNew HavenBranford, CT+1-203871-SSSS
AT&T LocalNew HavenNew Haven, CT+1-203872-SSSS
New Cingular Wireless PCS - DCBridgeport, CT+1-203873-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203874-SSSS
AT&T LocalFairfieldDarien, CT+1-203875-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203876-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203877-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203878-SSSS
Southern New England Telephone Co.New HavenWolcott, CT+1-203879-SSSS
Teleport Communications Group - New YorkFairfieldTrumbull, CT+1-203880-SSSS
Southern New England Telephone Co.New HavenSeymour, CT+1-203881-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203882-SSSS
Level 3 CommunicationsFairfieldStamford, CT+1-203883-SSSS
Global Crossing Local Services-ctNew HavenGuilford, CT+1-203884-SSSS
Cellco Partnership DBA Verizon WirelessDanbury, CT+1-203885-SSSS
Choice One CommunicationsNew HavenMeriden, CT+1-203886-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203887-SSSS
Southern New England Telephone Co.New HavenSeymour, CT+1-203888-SSSS
Global Crossing Local Services-ctNew HavenNew Haven, CT+1-203889-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203890-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203891-SSSS
Omnipoint CommunicationsNew HavenBridgeport, CT+1-203892-SSSS
Cellco Partnership DBA Verizon WirelessDerby, CT+1-203893-SSSS
Southern New England Telephone Co.FairfieldRidgefield, CT+1-203894-SSSS
New Cingular Wireless PCS - DCFairfieldTrumbull, CT+1-203895-SSSS
Global Crossing Local Services-ctNew HavenMadison, CT+1-203896-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctStamford, CT+1-203897-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1-203898-SSSS
Southern New England Telephone Co.FairfieldNorwalk, CT+1-203899-SSSS
Southern New England Telephone Co.Wallingford, CT+1-203900-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203901-SSSS
Global NapsNew HavenNew Haven, CT+1-203902-SSSS
Level 3 CommunicationsNew HavenNew Haven, CT+1-203903-SSSS
Sprint Spectrum L.p.FairfieldNorwalk, CT+1-203904-SSSS
Teleport Communications Group - New YorkFairfieldStamford, CT+1-203905-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenDerby, CT+1-203906-SSSS
Choice One CommunicationsNew HavenNew Haven, CT+1-203907-SSSS
Omnipoint CommunicationsBridgeport, CT+1-203908-SSSS
Cellco Partnership DBA Verizon WirelessNew Haven, CT+1-203909-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1-203910-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1-203912-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203913-SSSS
Metro PCSMeriden, CT+1-203914-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203915-SSSS
Level 3 CommunicationsFairfieldNorwalk, CT+1-203916-SSSS
Cellco Partnership DBA Verizon WirelessDanbury, CT+1-203917-SSSS
New Cingular Wireless PCS - DCFairfieldStamford, CT+1-203918-SSSS
Omnipoint CommunicationsFairfieldNorwalk, CT+1-203919-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203920-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203921-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203922-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldBridgeport, CT+1-203923-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203924-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203925-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203926-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203927-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203928-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203929-SSSS
Global Crossing Local Services-ctFairfieldGreenwich, CT+1-203930-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203931-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203932-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203933-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203934-SSSS
Global Crossing Local Services-ctNew HavenMeriden, CT+1-203935-SSSS
Southern New England Telephone Co.New Haven, CT+1-203936-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203937-SSSS
Southern New England Telephone Co.FairfieldRedding, CT+1-203938-SSSS
Cablevision LightpathNorwalk, CT+1-203939-SSSS

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