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  5. Area Code 314

Where Is Area Code 314?

Area code 314 is found in the US state of Missouri. Primarily servicing the city of Saint Louis (population: 619011), area code 314 covers 2 counties of Missouri.

Located in the Central time zone, area code 314 is on the same time as Chicago, IL.

Area code 314 was brought into effect on January 1, 1947.

Map of  with area code 314 highlighted

Counties in Area Code 314

  • Saint Louis,
  • Saint Louis City.

Most Populous Cities in Area Code 314

City County City Population Time Zone
St. Louis Saint Louis 619,011 CST
St. Louis Saint Louis City 308,143 CST
Florissant Saint Louis 109,133 CST
Maryland Heights Saint Louis 22,400 CST
Hazelwood Saint Louis 19,631 CST
Saint Ann Saint Louis 15,186 CST
Bridgeton Saint Louis 10,583 CST
Valley Park Saint Louis 8,281 CST
Glencoe Saint Louis 6,924 CST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last modified on July 3, 2015.