List of Sonic Stores in Hartsville, SC Outlet Note Regular Brands Sonic South Carolina Hartsville 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 - Hartsville 328 N 5th St (803) 332-9158 Sonic outlet - Hartsville 328 N 5th St (843) 332-9158 People Also Viewed