Post Offices
Post Offices in & near Willmar, Minnesota. Operating hours, locations, phone/fax number, services information.
Willmar Post Office
Post Office in Willmar, Minnesota on Trott Ave SW. Operating hours, phone number, services information, and other locations.
Address: 401 Trott Ave SW, Willmar, MN 56201
Phone: 320-235-2472
Fax: 320-235-7942
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 7:30am - 5:30pmTuesday 7:30am - 5:30pm
Wednesday 7:30am - 5:30pm
Thursday 7:30am - 5:30pm
Friday 7:30am - 5:30pm
Saturday 8:30am - 1:30pm
Sunday Closed
Lobby Hours
Monday 4:45pmTuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 4:45pm
Sunday Closed
Last Collection Times
Monday 9:00am - 4:00pmTuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday Closed
Sunday Closed