Post Offices

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

Waterl Post Office

Post Office in Waterloo, Illinois on E 3rd St. Operating hours, phone number, services information, and other locations.

Address: 305 E 3rd St, Waterloo, IL 62298
Phone: 618-939-7317
Fax: 618-939-2992
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 11:30am
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

Last Collection Times

Monday 8:30am - 1:30pm
Tuesday 8:30am - 1:30pm
Wednesday 8:30am - 1:30pm
Thursday 8:30am - 1:30pm
Friday 8:30am - 1:30pm
Saturday 9:00am - 11:00am
Sunday Closed