Zip code 56431

Zip code 56431, MN

The zip code 56431, type standard, belongs to Aitkin . It is part of the county Aitkin County, state of Minnesota. It has an estimated population of 7430.

The postal code 56431 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (Aitkin).