Post Offices in & near Clinton, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Clinton, Illinois on N Quincy St. Operating hours, phone number, services information, and other locations.
Address: 105 N Quincy St, Clinton, IL 61727
Phone: 217-935-5584
Fax: 217-935-9205
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
