Post Offices in & near Diamond, Missouri. Operating hours, locations, phone/fax number, services information.
Post Office in Diamond, Missouri on E Market St. Operating hours, phone number, services information, and other locations.
Address: 103 E Market St, Diamond, MO 64840
Phone: 417-325-5200
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457