List of Sonic Stores in Rock Hill, SC Outlet Note Regular Brands Sonic South Carolina Rock Hill 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 - Rock Hill 1648 Celanese Rd (803) 325-7838 Sonic outlet - Rock Hill 1648 Celanese Rd (803) 325-7838 People Also Viewed