North American Telephone Operator
North American
Telephone Operator

Telephone Area 203. Page 1.

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: 1345678910
Company District Major City Prefix
Usa Mobility WirelessFairfieldStamford, CT+1-203282-SSSS
Cablevision LightpathNew HavenMilford, CT+1-203283-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203284-SSSS
Teleport Communications Group - New YorkNew HavenNew Haven, CT+1-203285-SSSS
Conversent Communications Of ConnecticutFairfieldNorwalk, CT+1-203286-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203287-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203288-SSSS
Usa Mobility WirelessFairfieldDanbury, CT+1-203289-SSSS
Global Naps - RIFairfieldGreenwich, CT+1-203290-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203291-SSSS
Cablevision LightpathFairfieldFairfield, CT+1-203292-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203293-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203294-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203295-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldBridgeport, CT+1-203296-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDanbury, CT+1-203297-SSSS
Cablevision LightpathNew HavenNew Haven, CT+1-203298-SSSS
Southern New England Telephone Co.FairfieldNorwalk, CT+1-203299-SSSS
Omnipoint CommunicationsFairfieldDanbury, CT+1-203300-SSSS
Southern New England Telephone Co.New HavenMilford, CT+1-203301-SSSS
Teleport Communications Group - NYFairfieldGreenwich, CT+1-203302-SSSS
Teleport Communications Group - New YorkNew HavenWallingford, CT+1-203303-SSSS
Teleport Communications Group - New YorkFairfieldNewtown, CT+1-203304-SSSS
New Cingular Wireless PCS - DCNew HavenDerby, CT+1-203305-SSSS
Choice One CommunicationsNew HavenMilford, CT+1-203306-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldFairfield, CT+1-203307-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldDerby, CT+1-203308-SSSS
Sprint Spectrum L.p.New HavenNew Haven, CT+1-203309-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldNew Canaan, CT+1-203310-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203312-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1-203313-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203314-SSSS
Southern New England Telephone Co.New HavenBranford, CT+1-203315-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203316-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203317-SSSS
Southern New England Telephone Co.New HavenMadison, CT+1-203318-SSSS
Southern New England Telephone Co.FairfieldFairfield, CT+1-203319-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1-203320-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203321-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203322-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203323-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203324-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203325-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203326-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203327-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203328-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203329-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203330-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203331-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203332-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203333-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203334-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203335-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203336-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203337-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203338-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203339-SSSS
Cablevision LightpathFairfieldGreenwich, CT+1-203340-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203341-SSSS
Usa Mobility WirelessFairfieldBridgeport, CT+1-203342-SSSS
Usa Mobility WirelessFairfieldDanbury, CT+1-203343-SSSS
Cablevision LightpathFairfieldOld Greenwich, CT+1-203344-SSSS
Cablevision LightpathFairfieldBridgeport, CT+1-203345-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203346-SSSS
Level 3 CommunicationsFairfieldGreenwich, CT+1-203347-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203348-SSSS
Teleport Communications Group - New YorkFairfieldWestport, CT+1-203349-SSSS
Teleport Communications Group - New YorkNew HavenMadison, CT+1-203350-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203351-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203352-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203353-SSSS
Cablevision LightpathFairfieldNorwalk, CT+1-203354-SSSS
Cablevision LightpathFairfieldStamford, CT+1-203355-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203356-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203357-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203358-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203359-SSSS
Metro PCSBridgeport, CT+1-203360-SSSS
Level 3 CommunicationsFairfieldNew Haven, CT+1-203361-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203362-SSSS

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