314 Area Code

Area code 314 is an Eastern Missouri area code that covers St. Louis and some of its surrounding areas.

Missouri has area codes of 314, 417, 557, 573, 636, 660, 816, 975.

Counties that Use 314 Area Code

All Cities & Towns that Use 314 Area Code

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Where is 314 area code?

The following map shows the coverage of 314 area code. The coverage area is shown in green.

Area code map of the entire U.S.