City · North Dakota · United States
Glen Ullin, ND — ZIP codes
1 ZIP code · Morton County
- City
- Glen Ullin
- County
- Morton
- State
- North Dakota
- Country
- United States
- Postal code
- 58631Single source
- Coordinates
- 46.8233, -101.8223 View on OpenStreetMap
- Area code
- 701
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 58631 | Glen Ullin | 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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.