List of Sonic Stores in Fullerton, CA Outlet Note Regular Brands Sonic California Fullerton 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 - Fullerton 441 N Placentia Ave (714) 223-1415 Sonic outlet - Fullerton 441 N Placentia Ave (714) 223-1415 People Also Viewed