O Fallon, MO ZIP Codes
O Fallon, Missouri has 2 ZIP codes.
City Overview
| City | O Fallon |
|---|---|
| State | Missouri (MO) |
| County | Saint Charles |
| ZIP Codes | 2 |
| Population (ZIP total) | 94,338 |
| Timezone | America/Chicago (UTC-5) |
ZIP Codes in O Fallon
Map
Nearby Cities
Lake Saint Louis, Missouri
(5 km)
Wentzville, Missouri
(9.9 km)
Saint Peters, Missouri
(11.5 km)
Cottleville, Missouri
(11.6 km)
Old Monroe, Missouri
(12.7 km)
Saint Charles, Missouri
(14.1 km)
New Melle, Missouri
(16.6 km)
Golden Eagle, Illinois
(17.7 km)
Frequently Asked Questions
O Fallon, Missouri has 2 ZIP code(s): 63366, 63368. Larger cities span multiple ZIP codes covering different neighborhoods.
O Fallon, MO has 2 ZIP code(s).