Post Offices in & near Williamsport, Maryland. Operating hours, locations, phone/fax number, services information.
Post Office in Williamsport, Maryland on W Salisbury St. Operating hours, phone number, services information, and other locations.
Address: 28 W Salisbury St, Williamsport, MD 21795
Phone: 301-223-7007
Fax: 410-347-4289
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
