- 600 4th St , International Falls, MN 56649-2442 (source)
- 901 Main St , Littlefork, MN 56653-9357 (source)
- PO Box 186 , Ranier, MN 56668-0186 (source)
- PO Box 196 , Big Falls, MN 56627-0196 (source)
- PO Box 65 , Northome, MN 56661-0065 (source)
- PO Box 32 , Mizpah, MN 56660-0032 (source)
- Koochiching County Courthouse, 715 4th St, International Falls, MN 56649 (source)
NOTE: If a PO Box is listed, please check the link associated with the PO Box to look up the physical address.