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

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.

Mar 9, 2025 · 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 …

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.

Nov 1, 2025 · Area Code 203 is located in Connecticut. It covers 46 cities, including Milford, Bridgeport, Stamford, New Haven, and Waterbury. It also covers 6 planning regions, including …

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

Area code 203 is located in Connecticut. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

Oct 15, 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.

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.

203 Area Code 🌍☎️ The 203 Area Code is located in the state of Connecticut. Area Code 203 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,775,159 …