City · Montana · United States
Decker, MT — ZIP codes
1 ZIP code · Big Horn County
- City
- Decker
- County
- Big Horn
- State
- Montana
- Country
- United States
- Postal code
- 59025Single source
- Coordinates
- 45.1797, -106.8721 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 59025 | Decker | 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.