636 Area Code

About Area Code 636

Area Code: 636
City: Ballwin
State: Missouri
County: St. Charles
Time Zone: America/Chicago
Latitude / Longitude: 38.705978333333, -90.598965

Area code 636 is located in the United States and is used in the region around Ballwin, Missouri. It currently serves approximately 6 cities across 1 states.

In this dataset, area code 636 covers parts of Missouri. Major cities using this area code include Ballwin, Chesterfield, O'Fallon, Saint Charles, Saint Peters, and Wildwood.

Cities in Area Code 636

Below is a list of cities that use area code 636 in this dataset:

• Ballwin
• Chesterfield
• O'Fallon
• Saint Charles
• Saint Peters
• Wildwood

Counties / Regions Covered

Area code 636 covers the following counties or regions:

• St. Charles
• St. Louis

Location and Coordinates

The approximate central location for area code 636 is near latitude 38.705978333333 and longitude -90.598965. Individual city coordinates vary within the area code's coverage:

• Ballwin, Missouri (lat 38.59505, lng -90.54623)
• Chesterfield, Missouri (lat 38.66311, lng -90.57707)
• O'Fallon, Missouri (lat 38.81061, lng -90.69985)
• Saint Charles, Missouri (lat 38.78394, lng -90.48123)
• Saint Peters, Missouri (lat 38.80033, lng -90.62651)
• Wildwood, Missouri (lat 38.58283, lng -90.6629)

Time Zone Information

Based on the underlying city data, area code 636 is used in the following time zone(s): America/Chicago.

Related Area Code Pages

Explore related area code pages on Burning Compass:

• All area codes in Missouri
• Area codes for the city of Ballwin
• Area codes in St. Charles