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

Last Collection Times

Monday 8:30am - 12:15pm
Tuesday 8:30am - 12:15pm
Wednesday 8:30am - 12:15pm
Thursday 8:30am - 12:15pm
Friday 8:30am - 12:15pm
Saturday Closed
Sunday Closed