Post Offices in & near Mardela Springs, Maryland. Operating hours, locations, phone/fax number, services information.
Post Office in Mardela Springs, Maryland on Railroad Ave. Operating hours, phone number, services information, and other locations.
Address: 301 Railroad Ave, Mardela Springs, MD 21837
Phone: 410-546-9050
Fax: 410-546-4145
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
