Warrenton, MO Area Codes
Warrenton is served by area code 636. It is in Missouri, Warren County. About 16,927 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 636 |
| State / province | Missouri |
| County | Warren County |
| Population | 16,927 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.8044, -91.1937 |
What area code is Warrenton 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
Wright City 636Foristell 636Troy 636Wentzville 636Moscow Mills 636Washington 636Lake Saint Louis 636O Fallon 636
How to dial
Dial 636 + 7 digits for a number in Warrenton, or +1 636 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.