Where is area code 203? Area code 203 is located in southwestern Connecticut and covers Bridgeport, New Haven, Stamford, Waterbury, and Norwalk. It has a single overlay (475) that serves the same …

Area codes 203 and 475 are telephone area codes in the North American Numbering Plan (NANP) for the southwestern part of the U.S. state of Connecticut. The numbering plan area (NPA) is mostly …

Browse area code 203 phone numbers, prefixes and exchanges. The 203 area code serves Wallingford, Stamford, Hartford, Middletown, New Haven, covering 60 ZIP codes in 7 counties.

6 days ago · 203 is an area code located in the state of Connecticut, US. The largest city it serves is Bridgeport. Find out where 203 area code zone from, which states, counties and cities it covers. Get …

The 203 area code covers the southwestern portion of Connecticut, including most of Fairfield County, all of New Haven County, and a small portion of Litchfield County.

Find 203 area code details including city, time zone, and map. Lookup area code 203 phone number, name, and location.

Nov 22, 2025 · Area code 203 is in Connecticut, USA. Locate phone numbers 203-200-XXXX through 203-999-XXXX. City list with local time, map and overlaying areas.

4 days ago · View all phone prefixes used in area code 203 or other area codes in Connecticut. Included with the location of each prefix are the phone companies / service providers that operates them.

Jan 7, 2026 · The 203 area code is a telephone area code in the North American Numbering Plan (NANP) for southwestern Connecticut. It covers most of Fairfield County, including Bridgeport, New …

About area code 203: location, common spam callers, related area codes, and more. Includes 203 reverse phone lookup to identify spam callers.