Zip Code 54423 - Custer, Marathon, WI, United States
Zip Code 54423 Data
| Zip Code | 54423 |
|---|---|
| Area 1 (City, County) | Custer, Marathon |
| Area 2 (City, County) | Custer, Portage |
| State | Wisconsin |
| State FIPS | 55 |
| Latitude | 44.582723 |
| Longitude | -89.399468 |
| Timezone | 6 |
| Daylight | Yes |
| Country | United States |