Post Offices in & near Eldorado, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Eldorado, Illinois on 4th St. Operating hours, phone number, services information, and other locations.
Address: 900 4th St, Eldorado, IL 62930
Phone: 618-273-8100
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457