Post Offices in & near Marengo, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Marengo, Illinois on E Grant Hwy. Operating hours, phone number, services information, and other locations.
Address: 223 E Grant Hwy, Marengo, IL 60152
Phone: 815-568-7449
Fax: 815-568-0059
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
