Post Offices in & near Wilmington, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Wilmington, Illinois on N Water St. Operating hours, phone number, services information, and other locations.
Address: 301 N Water St, Wilmington, IL 60481
Phone: 815-476-9052
Fax: 815-476-7965
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457