Post Offices in & near Liberty, Pennsylvania. Operating hours, locations, phone/fax number, services information.
Post Office in McKeesport, Pennsylvania on Walnut St. Operating hours, phone number, services information, and other locations.
Address: 850 Walnut St, McKeesport, PA 15134
Phone: 412-672-9722
Fax: 412-672-8935
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457