Telephone Area 203. Page 1.
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 |
---|---|---|---|
Usa Mobility Wireless | Fairfield | Stamford, CT | +1-203282-SSSS |
Cablevision Lightpath | New Haven | Milford, CT | +1-203283-SSSS |
Southern New England Telephone Co. | New Haven | Wallingford, CT | +1-203284-SSSS |
Teleport Communications Group - New York | New Haven | New Haven, CT | +1-203285-SSSS |
Conversent Communications Of Connecticut | Fairfield | Norwalk, CT | +1-203286-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203287-SSSS |
Southern New England Telephone Co. | New Haven | New Haven, CT | +1-203288-SSSS |
Usa Mobility Wireless | Fairfield | Danbury, CT | +1-203289-SSSS |
Global Naps - RI | Fairfield | Greenwich, CT | +1-203290-SSSS |
Southern New England Telephone Co. | Fairfield | Westport, CT | +1-203291-SSSS |
Cablevision Lightpath | Fairfield | Fairfield, CT | +1-203292-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203293-SSSS |
Southern New England Telephone Co. | New Haven | Wallingford, CT | +1-203294-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Stamford, CT | +1-203295-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Bridgeport, CT | +1-203296-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Danbury, CT | +1-203297-SSSS |
Cablevision Lightpath | New Haven | New Haven, CT | +1-203298-SSSS |
Southern New England Telephone Co. | Fairfield | Norwalk, CT | +1-203299-SSSS |
Omnipoint Communications | Fairfield | Danbury, CT | +1-203300-SSSS |
Southern New England Telephone Co. | New Haven | Milford, CT | +1-203301-SSSS |
Teleport Communications Group - NY | Fairfield | Greenwich, CT | +1-203302-SSSS |
Teleport Communications Group - New York | New Haven | Wallingford, CT | +1-203303-SSSS |
Teleport Communications Group - New York | Fairfield | Newtown, CT | +1-203304-SSSS |
New Cingular Wireless PCS - DC | New Haven | Derby, CT | +1-203305-SSSS |
Choice One Communications | New Haven | Milford, CT | +1-203306-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Fairfield, CT | +1-203307-SSSS |
Cellco Partnership DBA Verizon Wireless | Fairfield | Derby, CT | +1-203308-SSSS |
Sprint Spectrum L.p. | New Haven | New Haven, CT | +1-203309-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | New Canaan, CT | +1-203310-SSSS |
Southern New England Telephone Co. | Fairfield | Danbury, CT | +1-203312-SSSS |
Cellco Partnership DBA Verizon Wireless | Fairfield | Danbury, CT | +1-203313-SSSS |
Cellco Partnership DBA Verizon Wireless | New Haven | New Haven, CT | +1-203314-SSSS |
Southern New England Telephone Co. | New Haven | Branford, CT | +1-203315-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203316-SSSS |
Southern New England Telephone Co. | New Haven | Meriden, CT | +1-203317-SSSS |
Southern New England Telephone Co. | New Haven | Madison, CT | +1-203318-SSSS |
Southern New England Telephone Co. | Fairfield | Fairfield, CT | +1-203319-SSSS |
Brooks Fiber Communications Of Connecticut Inc-ct | Fairfield | Darien, CT | +1-203320-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203321-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203322-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203323-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203324-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203325-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203326-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203327-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203328-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203329-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203330-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203331-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203332-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203333-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203334-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203335-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203336-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203337-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203338-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203339-SSSS |
Cablevision Lightpath | Fairfield | Greenwich, CT | +1-203340-SSSS |
Southern New England Telephone Co. | Fairfield | Westport, CT | +1-203341-SSSS |
Usa Mobility Wireless | Fairfield | Bridgeport, CT | +1-203342-SSSS |
Usa Mobility Wireless | Fairfield | Danbury, CT | +1-203343-SSSS |
Cablevision Lightpath | Fairfield | Old Greenwich, CT | +1-203344-SSSS |
Cablevision Lightpath | Fairfield | Bridgeport, CT | +1-203345-SSSS |
Southern New England Telephone Co. | New Haven | Waterbury, CT | +1-203346-SSSS |
Level 3 Communications | Fairfield | Greenwich, CT | +1-203347-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203348-SSSS |
Teleport Communications Group - New York | Fairfield | Westport, CT | +1-203349-SSSS |
Teleport Communications Group - New York | New Haven | Madison, CT | +1-203350-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203351-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203352-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203353-SSSS |
Cablevision Lightpath | Fairfield | Norwalk, CT | +1-203354-SSSS |
Cablevision Lightpath | Fairfield | Stamford, CT | +1-203355-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203356-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203357-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203358-SSSS |
Southern New England Telephone Co. | Fairfield | Stamford, CT | +1-203359-SSSS |
Metro PCS | Bridgeport, CT | +1-203360-SSSS | |
Level 3 Communications | Fairfield | New Haven, CT | +1-203361-SSSS |
Southern New England Telephone Co. | Fairfield | Bridgeport, CT | +1-203362-SSSS |