Post Offices
Post Offices in & near Niagara, Wisconsin. Operating hours, locations, phone/fax number, services information.
Niagara Post Office
Post Office in Niagara, Wisconsin on Washington Ave. Operating hours, phone number, services information, and other locations.
Address: 617 Washington Ave, Niagara, WI 54151
Phone: 715-251-3648
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 4:30pmTuesday 9:00am - 4:30pm
Wednesday 9:00am - 4:30pm
Thursday 9:00am - 4:30pm
Friday 9:00am - 4:30pm
Saturday 9:30am - 11:00am
Sunday Closed
Lobby Hours
Monday 7:30am - 4:45pmTuesday 7:30am - 4:45pm
Wednesday 7:30am - 4:45pm
Thursday 7:30am - 4:45pm
Friday 7:30am - 4:45pm
Saturday 7:30am - 2:30pm
Sunday Closed
Last Collection Times
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 10:45am
Sunday Closed