Zip code 56731

Zip code 56731, MN

The zip code 56731, type po box, belongs to Humboldt . It is part of the county Kittson County, state of Minnesota. It has an estimated population of 95.

The postal code 56731 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (Humboldt).