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

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.

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

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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