ZIP CodesZIP codes in Forest County, Wisconsin
Forest County, Wisconsin has 5 ZIP codes in this list, from 54103 to 54566. They cover 5 places, among them Armstrong Creek, Argonne, Crandon and Laona.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 54103 | Armstrong Creek | 77.0 | 45.673, -88.491 |
| 54511 | Argonne | 277 | 45.712, -88.810 |
| 54520 | Crandon | 123 | 45.542, -88.912 |
| 54541 | Laona | 136 | 45.553, -88.671 |
| 54566 | Wabeno | 136 | 45.433, -88.662 |
The ZIP code areas of Forest County add up to about 750 square miles of land (1,942 sq km) as the Census Bureau draws them. The largest is 54511 (Argonne), with 277 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Armstrong Creek, WI 54103.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.