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 suburbs in neighboring St. Louis County.

Area code 314 serves the state of Missouri. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 314 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.

2025年1月23日 · 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 covers. Get the most exact information on time zones here.

2025年1月1日 · 314 Area Code located in Missouri, including 9 cities, 3 counties, 1 time zone, map, Census demographics, and 754 active prefixes.

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

Area code 314 serves St. Louis, MO and the surrounding areas. It has a single overlay (557) that serves the same area. What time zone is area code 314? The 314 area code is located in the Central timezone. The Central time zone is also known as America/Chicago. Lookup area code 314 details: major cities and timezone. View the 314 area code map.

2022年2月8日 · The new area code will be 557. All existing 314 area code customers will retain their current area code in the overlay area and their telephone numbers will not be changed. The 314 area code serves communities such as, but not limited to, St. Louis, Overland, Bridgeton, Florissant, Webster Groves, Creve Coeur, Kirkwood and Sappington.

Lookup information on Area Code 314 - get demographic, NPA NXX, and other data by area code

Fixed phone numbers in the United States, state Missouri (area code 314) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly.

Area code 314 is an Eastern Missouri area code that covers St. Louis and some of its surrounding areas. Cities that use 314 area code and a coverage map included as well.