636 Area Code

Area code 636 is an area code that covers Eastern Missouri, mostly the surrounding areas of St. Louis.

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

Counties that Use 636 Area Code

Major Cities that Use 636 Area Code

All Cities & Towns that Use 636 Area Code

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Where is 636 area code?

The following map shows the coverage of 636 area code. The coverage area is shown in green.

Area code map of the entire U.S.