Sister Bay, WI
ZIP Codes in Sister Bay, Wisconsin
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54234 | 2,105 | 45.1820, -87.1015 |
Sister Bay has 1 ZIP code
ZIP Codes in Sister Bay, Wisconsin
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54234 | 2,105 | 45.1820, -87.1015 |