Subway Address: 4327 Saint Barnabas Rd, Marlow Heights, MD 20748 Phone: (301) 423-3505 Other Details: Founded in 1965, the SUBWAY Restaurants Other Businesses: SunTrust Bank at 4625 Old Branch Avenue, Marlow Heights, MD 20748 Metro City Wing House at 4404 St Barnabas Rd, Marlow Heights, MD 20748