Wentzville, MO Area Codes
Wentzville is served by area code 636. It is in Missouri, St. Charles County. About 51,330 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 636 |
| State / province | Missouri |
| County | St. Charles County |
| Population | 51,330 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7970, -90.8572 |
What area code is Wentzville 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
Lake Saint Louis 636Foristell 636O Fallon 636Moscow Mills 636Wright City 636Saint Peters 636Troy 636Saint Charles 636
How to dial
Dial 636 + 7 digits for a number in Wentzville, or +1 636 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.