O Fallon zipcode
| City | O Fallon |
| ZIP Code | 62269 |
| Type | Standard |
| State Code | IL |
| State | Illinois |
ZIP code of O Fallon is 62269. This place is located in Illinois state in US. To send any postal service to O Fallon, you must use 62269 zipcode.
The ZIP code 62269 is also used with 2 more city names of Illinois.
- Belleville, IL
- Shiloh, IL