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

Telephone Area 203. .

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: 2345678910
Company District Major City Prefix
Bandwidth.com ClecNew Haven, CT+1-203200-SSSS
Usa Mobility WirelessNew HavenNew Haven, CT+1-203201-SSSS
Cablevision LightpathFairfieldDarien, CT+1-203202-SSSS
Teleport Communications Group - New YorkNew HavenGuilford, CT+1-203204-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203205-SSSS
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1-203206-SSSS
Southern New England Telephone Co.FairfieldDanbury, CT+1-203207-SSSS
Comcast Phone Of ConnecticutNew HavenBranford, CT+1-203208-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203209-SSSS
Cablevision LightpathFairfieldWilton, CT+1-203210-SSSS
New Cingular Wireless PCS - DCBridgeport, CT+1-203212-SSSS
New Cingular Wireless PCS - DCNew HavenMeriden, CT+1-203213-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203214-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203215-SSSS
New Cingular Wireless PCS - DCFairfieldWestport, CT+1-203216-SSSS
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1-203217-SSSS
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1-203218-SSSS
New Cingular Wireless PCS - DCFairfieldStamford, CT+1-203219-SSSS
Cablevision LightpathFairfieldTrumbull, CT+1-203220-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203221-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203222-SSSS
Nextel CommunicationsFairfieldStamford, CT+1-203223-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203224-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203225-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203226-SSSS
Southern New England Telephone Co.FairfieldWestport, CT+1-203227-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1-203228-SSSS
Southern New England Telephone Co.FairfieldNorwalk, CT+1-203229-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203230-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenDerby, CT+1-203231-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1-203232-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1-203233-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203234-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203235-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203236-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203237-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203238-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203239-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1-203240-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1-203241-SSSS
Cablevision LightpathFairfieldHuntington, CT+1-203242-SSSS
Omnipoint CommunicationsFairfieldBridgeport, CT+1-203243-SSSS
Cablevision LightpathFairfieldRidgefield, CT+1-203244-SSSS
Southern New England Telephone Co.New HavenMadison, CT+1-203245-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1-203246-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1-203247-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203248-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1-203249-SSSS
Southern New England Telephone Co.New HavenCheshire, CT+1-203250-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203251-SSSS
Cablevision LightpathFairfieldStamford, CT+1-203252-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1-203253-SSSS
Southern New England Telephone Co.FairfieldFairfield, CT+1-203254-SSSS
Southern New England Telephone Co.FairfieldFairfield, CT+1-203255-SSSS
Southern New England Telephone Co.FairfieldFairfield, CT+1-203256-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203257-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1-203258-SSSS
Southern New England Telephone Co.FairfieldFairfield, CT+1-203259-SSSS
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1-203260-SSSS
Southern New England Telephone Co.FairfieldTrumbull, CT+1-203261-SSSS
Southern New England Telephone Co.New HavenSouthbury, CT+1-203262-SSSS
Southern New England Telephone Co.LitchfieldWoodbury, CT+1-203263-SSSS
Southern New England Telephone Co.New HavenSouthbury, CT+1-203264-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203265-SSSS
Southern New England Telephone Co.LitchfieldWoodbury, CT+1-203266-SSSS
Southern New England Telephone Co.New HavenSouthbury, CT+1-203267-SSSS
Southern New England Telephone Co.FairfieldTrumbull, CT+1-203268-SSSS
Southern New England Telephone Co.New HavenWallingford, CT+1-203269-SSSS
Southern New England Telephone Co.FairfieldNewtown, CT+1-203270-SSSS
Southern New England Telephone Co.New HavenCheshire, CT+1-203271-SSSS
Southern New England Telephone Co.New HavenCheshire, CT+1-203272-SSSS
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1-203273-SSSS
New Cingular Wireless PCS - DCFairfieldStamford, CT+1-203274-SSSS
Southern New England Telephone Co.Bridgeport, CT+1-203275-SSSS
Cablevision LightpathFairfieldStamford, CT+1-203276-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldOld Greenwich, CT+1-203277-SSSS
Omnipoint CommunicationsNew HavenDerby, CT+1-203278-SSSS
Usa Mobility WirelessFairfieldBridgeport, CT+1-203279-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1-203280-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203281-SSSS

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