Area Code 203

The area code 203 is located in southwestern Connecticut and has been in service since January 01, 1947. The area code is an overlay complex 203/475.

Connecticut Counties within Area Code 203:

New Haven, Fairfield and Litchfield.

Connecticut Major Cities within Area Code 203:

Bridgeport, New Haven, Stamford, Waterbury, Norwalk, Danbury, Meriden, West Haven, Stratford, Milford, Shelton, Trumbull, Naugatuck, East Haven, Westport, North Haven, Darien, Ansonia, Wallingford Center, Orange, Greenwich, Derby, Bethel, Riverside, Ridgefield, Cos Cob, Old Greenwich, Branford Center, Cheshire Village, Byram, Heritage Village, Pemberwick, Guilford Center, Glenville, Madison Center, Bethlehem Village, Newtown, Georgetown, Southport, Woodmont, Woodbury Center, Wilton Center, Cannondale.

Area Code 203 Time Zone?

Eastern Daylight Time (GMT-4)

Go here to see the complete list of United States Area Codes.

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