636 Area Code is part of 4 counties in the state of Missouri. There are around 37 cities in the 636 area code. The 636 area code is located in the EST timezone. Missouri has an avarage population of 5,943,985 spread between the coordinates of +38.456085 Latitude and -92.288368 Longitude.
Below you will find more info about 636 Area Code and also zip codes, counties, cities and the post offices that belong to this Area Code.