Onalaska, WI
ZIP Codes in Onalaska, Wisconsin
January 20, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54650 | 24,590 | 43.9094, -91.2248 |
Onalaska has 1 ZIP code
ZIP Codes in Onalaska, Wisconsin
January 20, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54650 | 24,590 | 43.9094, -91.2248 |