Area Code 203 Map and Data

Area Code 203 Profile

Area Code203
StateConnecticut
Current Time
in Area Code 203
203>
EDT
TimezoneEastern Daylight Time
Regional Market AreaHartford-New Haven Area
Metro New York City
Metro Area(s)Bridgeport-Stamford-Norwalk, CT
New Haven-Milford, CT
Population (2020)1822254
Adjacent
Area Codes
475,516,631,845,860,914,934,959
Overlay
Area Codes
475

Area Code 203 Boundary Map

List of Counties in Area Code 203

Fairfield County
New Haven County
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