Post Offices
Post Offices in & near Keller, Washington. Operating hours, locations, phone/fax number, services information.
Keller Post Office
Post Office in Keller, Washington on S Highway 21. Operating hours, phone number, services information, and other locations.
Address: 11673 S Highway 21, Keller, WA 99140
Phone: 509-634-4392
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 12:00pmTuesday 8:00am - 12:00pm
Wednesday 8:00am - 12:00pm
Thursday 8:00am - 12:00pm
Friday 8:00am - 12:00pm
Saturday 9:30am - 11:00am
Sunday Closed
Lobby Hours
Monday 2:45pmTuesday 2:45pm
Wednesday 2:45pm
Thursday 2:45pm
Friday 2:45pm
Saturday 2:45pm
Sunday Closed
Last Collection Times
Monday 8:00am - 11:00amTuesday 8:00am - 11:00am
Wednesday 8:00am - 11:00am
Thursday 8:00am - 11:00am
Friday 8:00am - 11:00am
Saturday Closed
Sunday Closed