List of Sonic Stores in Sumter, SC Outlet Note Regular Brands Sonic South Carolina Sumter 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 - Sumter 2022 Mccrays Mill Rd (803) 934-8822 Sonic outlet - Sumter 2022 McCrays Mill Rd (803) 934-8822 Sonic outlet - Sumter 1091 Broad St (803) 938-9767 People Also Viewed