Post Offices
Post Offices in & near Niantic, Illinois. Operating hours, locations, phone/fax number, services information.
Nian Post Office
Post Office in Niantic, Illinois on E Lewis St. Operating hours, phone number, services information, and other locations.
Address: 155 E Lewis St, Niantic, IL 62551
Phone: 217-668-7613
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 12:30pmTuesday 8:30am - 12:30pm
Wednesday 8:30am - 12:30pm
Thursday 8:30am - 12:30pm
Friday 8:30am - 12:30pm
Saturday 9:00am - 11:00am
Sunday Closed
Lobby Hours
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 11:00am
Sunday Closed
Last Collection Times
Monday 8:30am - 12:15pmTuesday 8:30am - 12:15pm
Wednesday 8:30am - 12:15pm
Thursday 8:30am - 12:15pm
Friday 8:30am - 12:15pm
Saturday Closed
Sunday Closed