Post Offices in & near Humboldt, Minnesota. Operating hours, locations, phone/fax number, services information.
Post Office in Humboldt, Minnesota on Main St. Operating hours, phone number, services information, and other locations.
Address: 301 Main St, Humboldt, MN 56731
Phone: 218-379-3147
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
