Post Offices in & near Mound City, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Mound City, Illinois on Main St. Operating hours, phone number, services information, and other locations.
Address: 225 Main St, Mound City, IL 62963
Phone: 618-748-9813
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
