ZIP CodesZIP codes in Big Horn County, Montana
Big Horn County, Montana has 10 ZIP codes in this list, from 59016 to 59089. They cover 10 places, among them Busby, Crow Agency, Decker and Garryowen.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 59016 | Busby | 420 | 45.554, -106.872 |
| 59022 | Crow Agency | 158 | 45.630, -107.497 |
| 59025 | Decker | 563 | 45.180, -106.872 |
| 59031 | Garryowen | 105 | 45.519, -107.482 |
| 59034 | Hardin | 791 | 45.750, -107.608 |
| 59035 | Fort Smith | 88.8 | 45.313, -107.937 |
| 59050 | Lodge Grass | 739 | 45.317, -107.368 |
| 59066 | Pryor | 296 | 45.430, -108.533 |
| 59075 | Saint Xavier | 195 | 45.398, -107.889 |
| 59089 | Wyola | 251 | 45.109, -107.430 |
The ZIP code areas of Big Horn County add up to about 3,608 square miles of land (9,344 sq km) as the Census Bureau draws them. The largest is 59034 (Hardin), with 791 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Busby, MT 59016.
- 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.