Zip Area Code

Area code 636

Area code 636 is a Missouri area code, in service since May 22, 1999.

It was created from area code 314.

Local calls are dialed with seven digits.

It is in the Central Time zone.

In service since
May 22, 1999
Local dialing
seven digits
Time zone
Central Time
ZIP codes
68

Map

Map of the 636 area codeThe shaded area shows where 636 numbers are rated, with the neighboring area codes outlined around it.618217573Saint CharlesChesterfieldFestusValley ParkArnoldWashingtonUnionTroy
Approximate 636 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 636

Overlays and neighboring area codes

Neighboring area codes: 618, 217, 573, 660, 314.

Counties in area code 636

Towns in area code 636

And 54 more towns: every town in Missouri.