Fenton, MO Area Codes
Fenton is served by area code 636. It is in Missouri, Jefferson County. About 45,354 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 636 |
| State / province | Missouri |
| County | Jefferson County |
| Population | 45,354 |
| ZIP codes | 2 |
| Time zone | Central |
| Coordinates | 38.5705, -90.4430 |
What area code is Fenton 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
Ballwin 636High Ridge 636Saint Louis 314, 557Chesterfield 636Arnold 636Eureka 636Saint Ann 314, 557Imperial 636
How to dial
Dial 636 + 7 digits for a number in Fenton, or +1 636 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.