About ZIP code 56731
The ZIP code 56731 routes mail to Humboldt in the Minnesota region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
56731 - Humboldt
ZIP code 56731 is Humboldt in Minnesota, United States.
| ZIP code | 56731 |
| Place | Humboldt |
| Region | Minnesota |
| District | Kittson |
| Country | United States (US) |
| Coordinates | 48.9211, -97.0934 (map) |