ZIP Code 59631
Basin · Jefferson, Montana
59631 is the ZIP code of Basin in Jefferson, Montana, United States.
- ZIP Code
- 59631
- County
- Jefferson
- State
- Montana
- Country
- United States
Place with ZIP code 59631
| Place | County | Location |
|---|---|---|
| Basin | Jefferson | 46.330, -112.197 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 59631?
Basin.
Which county and state is 59631 in?
Jefferson, Montana, 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.