Post Offices
Post Offices in & near Centralia, Illinois. Operating hours, locations, phone/fax number, services information.
Centralia Post Office
Post Office in Centralia, Illinois on S Poplar St. Operating hours, phone number, services information, and other locations.
Address: 314 S Poplar St, Centralia, IL 62801
Phone: 618-532-6717
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 5:00pmTuesday 8:00am - 5:00pm
Wednesday 8:00am - 5:00pm
Thursday 8:00am - 5:00pm
Friday 8:00am - 5:00pm
Saturday 8:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 5:00pm
Sunday Closed
Last Collection Times
Monday 9:00am - 2:00pmTuesday 9:00am - 2:00pm
Wednesday 9:00am - 2:00pm
Thursday 9:00am - 2:00pm
Friday 9:00am - 2:00pm
Saturday 8:45am - 11:00am
Sunday Closed