City · Montana · United States
Malmstrom Afb, MT — ZIP codes
1 ZIP code · Cascade County
- City
- Malmstrom Afb
- County
- Cascade
- State
- Montana
- Country
- United States
- Postal code
- 59402Single source
- Coordinates
- 47.5002, -111.3008 View on OpenStreetMap
- Area code
- 406 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 59402 | Malmstrom Afb | 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. Last generated : 2026-08-21. Report an error.