Post Offices in & near Marietta, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Marietta, Illinois on W Coal St. Operating hours, phone number, services information, and other locations.
Address: 107 W Coal St, Marietta, IL 61459
Phone: 309-926-7711
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457