Post Offices
Post Offices in & near Sulphur Springs, Illinois. Operating hours, locations, phone/fax number, services information.
Ottawa Post Office
Post Office in Ottawa, Illinois on E Etna Rd. Operating hours, phone number, services information, and other locations.
Address: 750 E Etna Rd, Ottawa, IL 61350
Phone: 815-433-1177
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 4:00pm
Sunday Closed
Last Collection Times
Monday 12:15pm - 2:15pmTuesday 12:15pm - 2:15pm
Wednesday 12:15pm - 2:15pm
Thursday 12:15pm - 2:15pm
Friday 12:15pm - 2:15pm
Saturday Closed
Sunday Closed