Saint Ann, MO Area Codes
Saint Ann is served by area codes 314 and 557. It is in Missouri, St. Louis County. About 15,793 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 314, 557 |
| State / province | Missouri |
| County | St. Louis County |
| Population | 15,793 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 38.7264, -90.3889 |
What area code is Saint Ann in?
ZIP codes in the code footprint
Nearby towns and their area codes
Saint Louis 314, 557Saint Charles 636Fenton 636Chesterfield 636Ballwin 636Saint Peters 636High Ridge 636O Fallon 636
How to dial
Dial 314 + 7 digits for a number in Saint Ann, or +1 314 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.