Post Offices
Post Offices in & near Byron, Illinois. Operating hours, locations, phone/fax number, services information.
Byron Post Office
Post Office in Byron, Illinois on N Union St. Operating hours, phone number, services information, and other locations.
Address: 232 N Union St, Byron, IL 61010
Phone: 815-234-4561
Fax: 815-234-7533
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 12:00pm
Sunday Closed
Last Collection Times
Monday 10:00am - 2:00pmTuesday 10:00am - 2:00pm
Wednesday 10:00am - 2:00pm
Thursday 10:00am - 2:00pm
Friday 10:00am - 2:00pm
Saturday Closed
Sunday Closed