Post Offices in & near Kelso, Missouri. Operating hours, locations, phone/fax number, services information.
Post Office in Kelso, Missouri on S Messmer St. Operating hours, phone number, services information, and other locations.
Address: 140 S Messmer St, Kelso, MO 63758
Phone: 573-264-2341
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457