Post Offices in & near Monticello, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Monticello, Illinois on W Livingston St. Operating hours, phone number, services information, and other locations.
Address: 104 W Livingston St, Monticello, IL 61856
Phone: 217-762-7221
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457