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.

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

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

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 …

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 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 unique phone numbers …

203 Area Code is part of 3 counties in the state of Connecticut. There are around 12 cities and 82 other places such as towns, cdps and villages in the 203 area code.

Nov 24, 2025 · Area code 203 is located in Connecticut. Get area code location and dialing plans for all phone prefixes in area code 203.

Learn about area code 203 in Bridgeport, Connecticut. Discover the location, coverage area, and other important details for this phone area code.

Where is the 203 Area Code Located? Area code 203 serves the entire state of Connecticut in United State, providing phone services to both residential and business users.