Sunoco 4733 Dorsey Hall Dr Ellicott City, MD 21042 Phone : (410) 740-2305 Business Category Gas Stations Dorsey Hall Mobil 4755 Dorsey Hall Dr Ellicott City, MD 21042 Phone : (410) 740-2305 Dorsey Hall Mobil Business Category Gas Stations Automated Teller Machines (Atm)