City · Montana · United States
Big Arm, MT — ZIP codes
1 ZIP code · Lake County
- City
- Big Arm
- County
- Lake
- State
- Montana
- Country
- United States
- Postal code
- 59910Single source
- Coordinates
- 47.7952, -114.3020 View on OpenStreetMap
- Area code
- 406 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 59910 | Big Arm | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.