Telephone Area 203. Page 2.
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.
Phone numbers +1-203-YYY-YYYY
Company | District | Major City | Prefix |
---|---|---|---|
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203363-SSSS |
Southern New England Telephone Co. | Fairfield | Newtown, CT | +1-203364-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203365-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203366-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203367-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203368-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Old Greenwich, CT | +1-203369-SSSS |
American Messaging (am) | New Haven | New Haven, CT | +1-203370-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203371-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203372-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203373-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203374-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203375-SSSS |
Cellco Partnership DBA Verizon Wireless | New Haven | New Haven, CT | +1-203376-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203377-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203378-SSSS |
Southern New England Telephone Co. | New Haven | Meriden, CT | +1-203379-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203380-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203381-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203382-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203383-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203384-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203385-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203386-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203387-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203388-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203389-SSSS |
Usa Mobility Wireless | New Haven | New Haven, CT | +1-203390-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203391-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203392-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203393-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203394-SSSS |
Nextel Communications | Fairfield | Bridgeport, CT | +1-203395-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203396-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203397-SSSS |
Usa Mobility Wireless | Fairfield | Norwalk, CT | +1-203398-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203399-SSSS |
New Cingular Wireless PCS - DC | Fairfield | Trumbull, CT | +1-203400-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203401-SSSS |
Southern New England Telephone Co. | Fairfield | Huntington, CT | +1-203402-SSSS |
Teleport Communications Group - New York | Fairfield | Ridgefield, CT | +1-203403-SSSS |
Broadwing Communications | New Haven | New Haven, CT | +1-203404-SSSS |
Paetec Communications | Litchfield | Woodbury, CT | +1-203405-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203406-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203407-SSSS |
AT&T Local | Fairfield | Redding, CT | +1-203408-SSSS |
Teleport Communications Group - New York | Fairfield | Old Greenwich, CT | +1-203409-SSSS |
Nextel Communications | New Haven | New Haven, CT | +1-203410-SSSS |
American Messaging (am) | New Haven | New Haven, CT | +1-203412-SSSS |
Paetec Communications - NY | Fairfield | Greenwich, CT | +1-203413-SSSS |
New Cingular Wireless PCS - DC | Fairfield | Bridgeport, CT | +1-203414-SSSS |
New Cingular Wireless PCS - DC | New Haven | New Haven, CT | +1-203415-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203416-SSSS |
New Cingular Wireless PCS - DC | Fairfield | Danbury, CT | +1-203417-SSSS |
Teleport Communications Group - New York | Fairfield | Fairfield, CT | +1-203418-SSSS |
Southern New England Telephone Co. | New Haven | Waterbury, CT | +1-203419-SSSS |
Southern New England Telephone Co. | New Haven | Meriden, CT | +1-203420-SSSS |
Southern New England Telephone Co. | New Haven | Madison, CT | +1-203421-SSSS |
Verizon New York | Fairfield | Greenwich, CT | +1-203422-SSSS |
Teleport Communications Group - New York | Fairfield | Wilton, CT | +1-203423-SSSS |
Sprint Spectrum L.p. | Fairfield | Danbury, CT | +1-203424-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203425-SSSS |
Southern New England Telephone Co. | Fairfield | Newtown, CT | +1-203426-SSSS |
Mcimetro Access Transmission Services LLC | New Haven | Meriden, CT | +1-203427-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203428-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203429-SSSS |
New Cingular Wireless PCS - DC | New Haven | New Haven, CT | +1-203430-SSSS |
Southern New England Telephone Co. | Fairfield | Ridgefield, CT | +1-203431-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203432-SSSS |
Comcast Phone Of Connecticut | New Haven | Branford, CT | +1-203433-SSSS |
Omnipoint Communications | Fairfield | Norwalk, CT | +1-203434-SSSS |
Omnipoint Communications | New Haven | New Haven, CT | +1-203435-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203436-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | New Haven | Waterbury, CT | +1-203437-SSSS |
Southern New England Telephone Co. | Fairfield | Ridgefield, CT | +1-203438-SSSS |
Cox Connecticut Telecom | New Haven | Cheshire, CT | +1-203439-SSSS |
Cox Connecticut Telecom | New Haven | Meriden, CT | +1-203440-SSSS |
Teleport Communications Group - New York | New Haven | Wolcott, CT | +1-203441-SSSS |
Teleport Communications Group - New York | Fairfield | New Canaan, CT | +1-203442-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | New Haven | Meriden, CT | +1-203443-SSSS |