Port Byron zipcode
| City | Port Byron |
| ZIP Code | 61275 |
| Type | Standard |
| State Code | IL |
| State | Illinois |
ZIP code of Port Byron is 61275. This place is located in Illinois state in US. To send any postal service to Port Byron, you must use 61275 zipcode.
You should avoid following 3 city names of Illinois to be used with the ZIP code 61275.
- Byron Hills, IL
- Coe, IL
- Mobet Meadows, IL