Alton, IL
ZIP Codes in Alton, Illinois
December 16, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62002 | 30,166 | 38.9392, -90.1349 |
Alton has 1 ZIP code
ZIP Codes in Alton, Illinois
December 16, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62002 | 30,166 | 38.9392, -90.1349 |