Post Offices in & near University Park, Maryland. Operating hours, locations, phone/fax number, services information.
Post Office in Riverdale, Maryland on Baltimore Ave. Operating hours, phone number, services information, and other locations.
Address: 6411 Baltimore Ave, Riverdale, MD 20737
Phone: 301-699-1253
Fax: 301-277-6964
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
