ZIP CodesZIP codes in Fergus County, Montana
Fergus County, Montana has 10 ZIP codes in this list, from 59032 to 59489. They cover 10 places, among them Grass Range, Buffalo, Coffee Creek and Denton.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 59032 | Grass Range | 559 | 47.026, -108.827 |
| 59418 | Buffalo | 128 | 46.821, -109.829 |
| 59424 | Coffee Creek | 81.6 | 47.347, -110.091 |
| 59430 | Denton | 516 | 47.319, -109.879 |
| 59441 | Forest Grove | 176 | 46.991, -109.080 |
| 59451 | Hilger | 242 | 47.254, -109.360 |
| 59457 | Lewistown | 996 | 47.056, -109.420 |
| 59464 | Moore | 241 | 46.975, -109.697 |
| 59471 | Roy | 1,026 | 47.368, -108.863 |
| 59489 | Winifred | 607 | 47.641, -109.236 |
The ZIP code areas of Fergus County add up to about 4,572 square miles of land (11,842 sq km) as the Census Bureau draws them. The largest is 59471 (Roy), with 1,026 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Grass Range, MT 59032.
- 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.