Post Offices

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

Downtown Ottawa Post Office

Downtown Ottawa Post Office in Ottawa, Illinois on W Main St. Operating hours, phone number, services information, and other locations.

Address: 405 W Main St, Ottawa, IL 61350
Phone: 815-433-2021
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 1:30pm, 2:30pm - 4:30pm
Tuesday 9:00am - 1:30pm, 2:30pm - 4:30pm
Wednesday 9:00am - 1:30pm, 2:30pm - 4:30pm
Thursday 9:00am - 1:30pm, 2:30pm - 4:30pm
Friday 9:00am - 1:30pm, 2:30pm - 4:30pm
Saturday Closed
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday Closed
Sunday Closed