ZIP Code 54421
Colby · Clark, Wisconsin
54421 is the ZIP code of Colby in Clark, Wisconsin, United States.
- ZIP Code
- 54421
- County
- Clark
- State
- Wisconsin
- Country
- United States
Place with ZIP code 54421
| Place | County | Location |
|---|---|---|
| Colby | Clark | 44.912, -90.314 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 54421?
Colby.
Which county and state is 54421 in?
Clark, Wisconsin, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.