Zip Area Code

Area code 314

Area code 314 is a Missouri area code, in service since 1947.

557 serves the same area as an overlay, so neighbors can have numbers in any of these codes.

Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

It is in the Central Time zone.

In service since
1947
Overlays
557
Local dialing
ten digits; dialing 1 plus ten digits also works
Time zone
Central Time
ZIP codes
52

Map

Map of the 314 area codeThe shaded area shows where 314 numbers are rated, with the neighboring area codes outlined around it.618636Saint LouisKirkwood
Approximate 314 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 314

Overlays and neighboring area codes

Overlay, serving the same area: 557.

Neighboring area codes: 618, 573, 636.

Counties in area code 314

Towns in area code 314

And 32 more towns: every town in Missouri.