Post Offices
Post Offices in & near Cooper, Illinois. Operating hours, locations, phone/fax number, services information.
Washington Post Office
Post Office in Washington, Illinois on S High St. Operating hours, phone number, services information, and other locations.
Address: 106 S High St, Washington, IL 61571
Phone: 309-444-4044
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 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:30pm
Sunday Closed
Last Collection Times
Monday 9:00am - 3:30pmTuesday 9:00am - 3:30pm
Wednesday 9:00am - 3:30pm
Thursday 9:00am - 3:30pm
Friday 9:00am - 3:30pm
Saturday 9:00am - 11:00am
Sunday Closed