Lake Saint Louis, MO Area Codes
Lake Saint Louis is served by area code 636. It is in Missouri, St. Charles County. About 29,725 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 636 |
| State / province | Missouri |
| County | St. Charles County |
| Population | 29,725 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7742, -90.7951 |
What area code is Lake Saint Louis in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 636 | Missouri | 1,007,929 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Wentzville 636O Fallon 636Foristell 636Saint Peters 636Moscow Mills 636Wright City 636Saint Charles 636Chesterfield 636
How to dial
Dial 636 + 7 digits for a number in Lake Saint Louis, or +1 636 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.