City · Montana · United States
Westby, MT — ZIP codes
1 ZIP code · Sheridan County
- City
- Westby
- County
- Sheridan
- State
- Montana
- Country
- United States
- Postal code
- 59275Single source
- Coordinates
- 48.8587, -104.1247 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 59275 | Westby | 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.