Royal Farms Address: 3606 Conowingo Rd, Street, MD 21154 Phone: (410) 457-4306 Convenience Stores, Gas Stations, Alternative Fuels, Diesel, Farms Other Businesses: Prospect Hill Farm at 1973 Whiteford Rd, Street, MD 21154 Twin Silos Restaurant at 217 Davis Rd, Street, MD 21154