Post Offices in & near Potosi, Missouri. Operating hours, locations, phone/fax number, services information.
Post Office in Potosi, Missouri on Laurel St. Operating hours, phone number, services information, and other locations.
Address: 103 Laurel St, Potosi, MO 63664
Phone: 573-438-2991
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
