Colby, WI
ZIP Codes in Colby, Wisconsin
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54421 | 3,831 | 44.8952, -90.2887 |
Colby has 1 ZIP code
ZIP Codes in Colby, Wisconsin
December 19, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 54421 | 3,831 | 44.8952, -90.2887 |