Post Offices in & near Foster, Wisconsin. Operating hours, locations, phone/fax number, services information.
Post Office in Osseo, Wisconsin on Harmony St. Operating hours, phone number, services information, and other locations.
Address: 50669 Harmony St, Osseo, WI 54758
Phone: 715-597-2018
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457