Area codes 314 and 557 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of Missouri, serving the city of St. Louis and most of its inner-ring …

Where is area code 314? Area code 314 serves St. Louis, MO and the surrounding areas. It has a single overlay (557) that serves the same area.

Browse area code 314 phone numbers, prefixes and exchanges. The 314 area code serves Saint Louis, Maryland Heights, Hazelwood, Bridgeton, Florissant, covering 29 ZIP codes in 4 counties.

Mar 9, 2025 · 314 is an area code located in the state of Missouri, US. The largest city it serves is Florissant. Find out where 314 area code zone from, which states, counties and cities it …

Dec 26, 2025 · Area code 314 is located in Missouri. Get area code location and dialing plans for all phone prefixes in area code 314.

Find 314 area code details including city, time zone, and map. Lookup area code 314 phone number, name, and location.

About area code 314: location, common spam callers, related area codes, and more. Includes 314 reverse phone lookup to identify spam callers.

The 314 Area Code is located in the state of Missouri. Area Code 314 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,849,378 unique phone numbers and …

Area code 314 serves the entire state of Missouri in United State, providing phone services to both residential and business users. It covers urban, suburban, and rural areas alike, ensuring …

List of ZIP Codes in Area Code 314 ... List of Counties in Area Code 314 ... List of Major Cities/Towns in Area Code 314