Ontario, WI
ZIP Codes in Ontario, Wisconsin
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54651 | 1,231 | 43.7230, -90.5664 |
Ontario has 1 ZIP code
ZIP Codes in Ontario, Wisconsin
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54651 | 1,231 | 43.7230, -90.5664 |