North American Telephone Operator
North American
Telephone Operator

Telephone Area 203. Page 2.

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: 1245678910
Company District Major City Prefix
Southern New England Telephone Co.FairfieldStamford, CT+1-203363-SSSS
Southern New England Telephone Co.FairfieldNewtown, CT+1-203364-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203365-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203366-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203367-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203368-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldOld Greenwich, CT+1-203369-SSSS
American Messaging (am)New HavenNew Haven, CT+1-203370-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203371-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203372-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203373-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203374-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203375-SSSS
Cellco Partnership DBA Verizon WirelessNew HavenNew Haven, CT+1-203376-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203377-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203378-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203379-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203380-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203381-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203382-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203383-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203384-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203385-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203386-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203387-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203388-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203389-SSSS
Usa Mobility WirelessNew HavenNew Haven, CT+1-203390-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203391-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203392-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203393-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203394-SSSS
Nextel CommunicationsFairfieldBridgeport, CT+1-203395-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203396-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203397-SSSS
Usa Mobility WirelessFairfieldNorwalk, CT+1-203398-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203399-SSSS
New Cingular Wireless PCS - DCFairfieldTrumbull, CT+1-203400-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203401-SSSS
Southern New England Telephone Co.FairfieldHuntington, CT+1-203402-SSSS
Teleport Communications Group - New YorkFairfieldRidgefield, CT+1-203403-SSSS
Broadwing CommunicationsNew HavenNew Haven, CT+1-203404-SSSS
Paetec CommunicationsLitchfieldWoodbury, CT+1-203405-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203406-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203407-SSSS
AT&T LocalFairfieldRedding, CT+1-203408-SSSS
Teleport Communications Group - New YorkFairfieldOld Greenwich, CT+1-203409-SSSS
Nextel CommunicationsNew HavenNew Haven, CT+1-203410-SSSS
American Messaging (am)New HavenNew Haven, CT+1-203412-SSSS
Paetec Communications - NYFairfieldGreenwich, CT+1-203413-SSSS
New Cingular Wireless PCS - DCFairfieldBridgeport, CT+1-203414-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203415-SSSS
Southern New England Telephone Co.FairfieldBridgeport, CT+1-203416-SSSS
New Cingular Wireless PCS - DCFairfieldDanbury, CT+1-203417-SSSS
Teleport Communications Group - New YorkFairfieldFairfield, CT+1-203418-SSSS
Southern New England Telephone Co.New HavenWaterbury, CT+1-203419-SSSS
Southern New England Telephone Co.New HavenMeriden, CT+1-203420-SSSS
Southern New England Telephone Co.New HavenMadison, CT+1-203421-SSSS
Verizon New YorkFairfieldGreenwich, CT+1-203422-SSSS
Teleport Communications Group - New YorkFairfieldWilton, CT+1-203423-SSSS
Sprint Spectrum L.p.FairfieldDanbury, CT+1-203424-SSSS
Southern New England Telephone Co.FairfieldStamford, CT+1-203425-SSSS
Southern New England Telephone Co.FairfieldNewtown, CT+1-203426-SSSS
Mcimetro Access Transmission Services LLCNew HavenMeriden, CT+1-203427-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203428-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctFairfieldStamford, CT+1-203429-SSSS
New Cingular Wireless PCS - DCNew HavenNew Haven, CT+1-203430-SSSS
Southern New England Telephone Co.FairfieldRidgefield, CT+1-203431-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203432-SSSS
Comcast Phone Of ConnecticutNew HavenBranford, CT+1-203433-SSSS
Omnipoint CommunicationsFairfieldNorwalk, CT+1-203434-SSSS
Omnipoint CommunicationsNew HavenNew Haven, CT+1-203435-SSSS
Southern New England Telephone Co.New HavenNew Haven, CT+1-203436-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctNew HavenWaterbury, CT+1-203437-SSSS
Southern New England Telephone Co.FairfieldRidgefield, CT+1-203438-SSSS
Cox Connecticut TelecomNew HavenCheshire, CT+1-203439-SSSS
Cox Connecticut TelecomNew HavenMeriden, CT+1-203440-SSSS
Teleport Communications Group - New YorkNew HavenWolcott, CT+1-203441-SSSS
Teleport Communications Group - New YorkFairfieldNew Canaan, CT+1-203442-SSSS
Brooks Fiber Communications Of Connecticut Inc-ctNew HavenMeriden, CT+1-203443-SSSS

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