Post Offices in & near Cosby, Missouri. Operating hours, locations, phone/fax number, services information.
Post Office in Cosby, Missouri on Leidy St. Operating hours, phone number, services information, and other locations.
Address: 421 Leidy St, Cosby, MO 64436
Phone: 816-378-3245
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
