List of Sonic Stores in Windsor Mill, MD Outlet Note Regular Brands Sonic Maryland Windsor Mill Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic Drive-In outlet - Windsor Mill 8212 Liberty Rd (410) 922-2190 People Also Viewed