Dennison, IL
ZIP Codes in Dennison, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62423 | 843 | 39.4627, -87.5799 |
Dennison has 1 ZIP code
ZIP Codes in Dennison, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 62423 | 843 | 39.4627, -87.5799 |