O Fallon, IL
ZIP Codes in O Fallon, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62269 | 35,467 | 38.6000, -89.9154 |
O Fallon has 1 ZIP code
ZIP Codes in O Fallon, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62269 | 35,467 | 38.6000, -89.9154 |