Post Offices in & near Prairie, Indiana. Operating hours, locations, phone/fax number, services information.
Post Office in Mount Vernon, Indiana on Walnut St. Operating hours, phone number, services information, and other locations.
Address: 308 Walnut St, Mount Vernon, IN 47620
Phone: 812-838-3141
Fax: 812-838-1847
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457