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

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.

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.

2 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 …

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

Oct 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 …

Where is Area Code 203? Area code (203) is in the state of CT. Below, are the major cities in the area code (203).

Find out who that 203 phone number is registered to. Our free reverse phone lookup allows you to search records associated with a landline or cell phone number to help quickly identify who’s …

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

The 203 Area Code is located in the state of Connecticut. Area Code 203 is one of the 325 3-digit telephone area codes in the USA. We have roughly 1,092,438 unique phone numbers and …