Area code 314
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The area code 314 serves the city of Saint Louis, Missouri, and most suburbs located in Saint Louis County, Missouri.
Geographically defined, it includes all of the city of St. Louis and it's bordered by area code 618 in Illinois by the Mississippi River, and area code 636 acts as an envelope around the 314 area, bordering with St. Louis County.
History
Area code 314 served as the area code for most of eastern Missouri until 1995 when area code 573 was carved up. In 2000, area code 636 was assigned to the rapidly growing outer suburbs.
See also
| North: 636 | ||
| West: 636 | area code 314 | East: 618 |
| South: 618, 636 |