USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (203) XXX-XXXX

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) XXX-XXXX

Other pages: 2345678910
Company District Major City Prefix
Bandwidth.com ClecNew Haven, CT+1 (203) 200-XXXX
Usa Mobility WirelessNew HavenNew Haven, CT+1 (203) 201-XXXX
Cablevision LightpathFairfieldDarien, CT+1 (203) 202-XXXX
Teleport Communications Group - New YorkNew HavenGuilford, CT+1 (203) 204-XXXX
Southern New England Telephone Co.FairfieldDanbury, CT+1 (203) 205-XXXX
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1 (203) 206-XXXX
Southern New England Telephone Co.FairfieldDanbury, CT+1 (203) 207-XXXX
Comcast Phone Of ConnecticutNew HavenBranford, CT+1 (203) 208-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1 (203) 209-XXXX
Cablevision LightpathFairfieldWilton, CT+1 (203) 210-XXXX
New Cingular Wireless PCS - DCBridgeport, CT+1 (203) 212-XXXX
New Cingular Wireless PCS - DCNew HavenMeriden, CT+1 (203) 213-XXXX
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1 (203) 214-XXXX
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1 (203) 215-XXXX
New Cingular Wireless PCS - DCFairfieldWestport, CT+1 (203) 216-XXXX
New Cingular Wireless PCS - DCNew HavenWaterbury, CT+1 (203) 217-XXXX
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1 (203) 218-XXXX
New Cingular Wireless PCS - DCFairfieldStamford, CT+1 (203) 219-XXXX
Cablevision LightpathFairfieldTrumbull, CT+1 (203) 220-XXXX
Southern New England Telephone Co.FairfieldWestport, CT+1 (203) 221-XXXX
Southern New England Telephone Co.FairfieldWestport, CT+1 (203) 222-XXXX
Nextel CommunicationsFairfieldStamford, CT+1 (203) 223-XXXX
Southern New England Telephone Co.FairfieldBridgeport, CT+1 (203) 224-XXXX
Southern New England Telephone Co.FairfieldHuntington, CT+1 (203) 225-XXXX
Southern New England Telephone Co.FairfieldWestport, CT+1 (203) 226-XXXX
Southern New England Telephone Co.FairfieldWestport, CT+1 (203) 227-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1 (203) 228-XXXX
Southern New England Telephone Co.FairfieldNorwalk, CT+1 (203) 229-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 230-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenDerby, CT+1 (203) 231-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1 (203) 232-XXXX
Cellco Partnership DBA Verizon WirelessNew HavenWaterbury, CT+1 (203) 233-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 234-XXXX
Southern New England Telephone Co.New HavenMeriden, CT+1 (203) 235-XXXX
Southern New England Telephone Co.New HavenWaterbury, CT+1 (203) 236-XXXX
Southern New England Telephone Co.New HavenMeriden, CT+1 (203) 237-XXXX
Southern New England Telephone Co.New HavenMeriden, CT+1 (203) 238-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 239-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1 (203) 240-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldDanbury, CT+1 (203) 241-XXXX
Cablevision LightpathFairfieldHuntington, CT+1 (203) 242-XXXX
Omnipoint CommunicationsFairfieldBridgeport, CT+1 (203) 243-XXXX
Cablevision LightpathFairfieldRidgefield, CT+1 (203) 244-XXXX
Southern New England Telephone Co.New HavenMadison, CT+1 (203) 245-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1 (203) 246-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldNorwalk, CT+1 (203) 247-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 248-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1 (203) 249-XXXX
Southern New England Telephone Co.New HavenCheshire, CT+1 (203) 250-XXXX
Southern New England Telephone Co.FairfieldStamford, CT+1 (203) 251-XXXX
Cablevision LightpathFairfieldStamford, CT+1 (203) 252-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1 (203) 253-XXXX
Southern New England Telephone Co.FairfieldFairfield, CT+1 (203) 254-XXXX
Southern New England Telephone Co.FairfieldFairfield, CT+1 (203) 255-XXXX
Southern New England Telephone Co.FairfieldFairfield, CT+1 (203) 256-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1 (203) 257-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldBridgeport, CT+1 (203) 258-XXXX
Southern New England Telephone Co.FairfieldFairfield, CT+1 (203) 259-XXXX
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1 (203) 260-XXXX
Southern New England Telephone Co.FairfieldTrumbull, CT+1 (203) 261-XXXX
Southern New England Telephone Co.New HavenSouthbury, CT+1 (203) 262-XXXX
Southern New England Telephone Co.LitchfieldWoodbury, CT+1 (203) 263-XXXX
Southern New England Telephone Co.New HavenSouthbury, CT+1 (203) 264-XXXX
Southern New England Telephone Co.New HavenWallingford, CT+1 (203) 265-XXXX
Southern New England Telephone Co.LitchfieldWoodbury, CT+1 (203) 266-XXXX
Southern New England Telephone Co.New HavenSouthbury, CT+1 (203) 267-XXXX
Southern New England Telephone Co.FairfieldTrumbull, CT+1 (203) 268-XXXX
Southern New England Telephone Co.New HavenWallingford, CT+1 (203) 269-XXXX
Southern New England Telephone Co.FairfieldNewtown, CT+1 (203) 270-XXXX
Southern New England Telephone Co.New HavenCheshire, CT+1 (203) 271-XXXX
Southern New England Telephone Co.New HavenCheshire, CT+1 (203) 272-XXXX
Cellco Partnership DBA Verizon WirelessFairfieldStamford, CT+1 (203) 273-XXXX
New Cingular Wireless PCS - DCFairfieldStamford, CT+1 (203) 274-XXXX
Southern New England Telephone Co.Bridgeport, CT+1 (203) 275-XXXX
Cablevision LightpathFairfieldStamford, CT+1 (203) 276-XXXX
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldOld Greenwich, CT+1 (203) 277-XXXX
Omnipoint CommunicationsNew HavenDerby, CT+1 (203) 278-XXXX
Usa Mobility WirelessFairfieldBridgeport, CT+1 (203) 279-XXXX
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldDarien, CT+1 (203) 280-XXXX
Southern New England Telephone Co.New HavenNew Haven, CT+1 (203) 281-XXXX

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