Post Offices
Post Offices in & near Marengo, Illinois. Operating hours, locations, phone/fax number, services information.
Mareng Post Office
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
Retail Hours
Monday 8:30am - 5:00pmTuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 12:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed
Last Collection Times
Monday ClosedTuesday 9:00am - 12:00pm
Wednesday 9:00am - 12:00pm
Thursday 9:00am - 12:00pm
Friday Closed
Saturday Closed
Sunday Closed