ZIP Code 54403
Wausau · Marathon, Wisconsin
54403 is the ZIP code of Wausau in Marathon, Wisconsin, United States.
- ZIP Code
- 54403
- County
- Marathon
- State
- Wisconsin
- Country
- United States
Place with ZIP code 54403
| Place | County | Location |
|---|---|---|
| Wausau | Marathon | 44.953, -89.532 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 54403?
Wausau.
Which county and state is 54403 in?
Marathon, 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.