Post Offices

Post Offices in & near Onarga, Illinois. Operating hours, locations, phone/fax number, services information.

Onarga Post Office

Post Office in Onarga, Illinois on W Seminary Ave. Operating hours, phone number, services information, and other locations.

Address: 120 W Seminary Ave, Onarga, IL 60955
Phone: 815-268-4267
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 12:30pm, 1:30pm - 4:30pm
Tuesday 9:00am - 12:30pm, 1:30pm - 4:30pm
Wednesday 9:00am - 12:30pm, 1:30pm - 4:30pm
Thursday 9:00am - 12:30pm, 1:30pm - 4:30pm
Friday 9:00am - 12:30pm, 1:30pm - 4:30pm
Saturday 9:00am - 11:00am
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 11:00am
Sunday Closed

Last Collection Times

Monday 9:00am - 12:30pm, 1:30pm - 2:30pm
Tuesday 9:00am - 12:30pm, 1:30pm - 2:30pm
Wednesday 9:00am - 12:30pm, 1:30pm - 2:30pm
Thursday 9:00am - 12:30pm, 1:30pm - 2:30pm
Friday 9:00am - 12:30pm, 1:30pm - 2:30pm
Saturday Closed
Sunday Closed