Port Byron, IL
ZIP Codes in Port Byron, Illinois
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61275 | 4,393 | 41.6056, -90.3070 |
Port Byron has 1 ZIP code
ZIP Codes in Port Byron, Illinois
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61275 | 4,393 | 41.6056, -90.3070 |