Area Code 203 Information

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About Area Code 203

The 203 Area Code (or Area Code 203) is located in the state of CT. Area Code 203 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.85 million unique phone numbers and 10.3 million individuals near the city of New Haven

The phone number in the 203 area code can be found in the following cities or locations.

Ansonia, Branford, Bridgeport, Cheshire, Danbury, Darien, Derby, Fairfield, Greenwich, Guilford, Huntington, Madison, Meriden, Milford, Naugatuck, New Canaan, New Haven, Newtown, Northford, Norwalk, Old Greenwich, Redding, Ridgefield, Seymour, Southbury, Stamford, Trumbull, Wallingford, Waterbury, Westport, Wilton, Wolcott, Woodbury.

The carriers providing phone numbers in this area code are: AT&T Local, American Messaging (am), Bandwidth.com Clec, Broadwing Communications, Brooks Fiber Communications Of Connecticut In, Cablevision Lightpath, Cellco Partnership DBA Verizon Wireless, Choice One Communications, Comcast Phone Of Connecticut, Conversent Communications Of Connecticut, Cox Connecticut Telecom, Ctc Communications Corp., Global Crossing Local Services-ct, Global Naps, Level 3 Communications, Mcimetro Access Transmission Services LLC, Metro PCS, New Cingular Wireless PCS - DC, Omnipoint Communications, Paetec Communications, Paetec Communications - NY, Peerless Network Of Connecticut, Sbc Internet Services, Southern New England Telephone Co., Sprint Spectrum L.p., Teleport Communications America, Teleport Communications Group - NY, Usa Mobility Wireless, Verizon New York.

Area Code 203 - information

The most important characteristics can be found here in the overview: