2 days ago · 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 …

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 …

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.

Jan 1, 2026 · 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.

Sep 9, 2023 · Area code 314 is located in Missouri. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

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

Where is Area Code 314? The 314 area code is located in the state of Missouri . 314 is one of the 357 three-digit telephone area codes in the USA. It covers roughly 1,906,322 unique phone numbers and …

Area code 314 is found in Missouri and primarily services the independent city of St. Louis. Area code 314 was put into place on January 1, 1947; it was one of Missouri’s original area codes.

Nov 3, 2025 · The 314 area code is an area code in the state of Missouri. It covers St. Louis and its surrounding suburbs, including parts of St. Charles County, Jefferson County, Franklin County, and …