The 636 area code belongs to the state of Missouri (MO) and some of the locations covered are St. Charles, Chesterfield and more:
| State | Larger cities in area code 636 | Time Zone |
|---|---|---|
| MO Missouri |
Arnold, Ballwin, Barnhart, Chesterfield, De Soto, Eureka, Festus, Lake St. Louis, O'Fallon, St. Charles, St. Peters, Troy, Union, Washington, Wentzville, Wildwood More cities |
CENTRAL Current time is
04:09:19 PM |