Post Offices in & near Charlestown, Pennsylvania. Operating hours, locations, phone/fax number, services information.
Post Office in Mercersburg, Pennsylvania on S Main St. Operating hours, phone number, services information, and other locations.
Address: 128 S Main St, Mercersburg, PA 17236
Phone: 717-328-2612
Fax: 717-328-2632
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457