Waterloo, IL
ZIP Codes in Waterloo, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62298 | 17,192 | 38.3088, -90.1494 |
Waterloo has 1 ZIP code
ZIP Codes in Waterloo, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62298 | 17,192 | 38.3088, -90.1494 |