List of Sonic Stores in Dover, DE Outlet Note Regular Brands Sonic Delaware Dover 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 - Dover 1481 N Dupont Hwy (302) 730-4290 Sonic outlet - Dover 1481 N DuPont Hwy (302) 730-4290 People Also Viewed