City · Minnesota · United States
Humboldt, MN — ZIP codes
1 ZIP code · Kittson County
- City
- Humboldt
- County
- Kittson
- State
- Minnesota
- Country
- United States
- Postal code
- 56731Single source
- Coordinates
- 48.9211, -97.0934 View on OpenStreetMap
- Area code
- 218
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 56731 | Humboldt | 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.