List of Sonic Stores in Morristown, TN Outlet Note Regular Brands Sonic Tennessee Morristown 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 - Morristown 1841 Buffalo Trl (423) 586-9918 Sonic outlet - Morristown 2403 W Andrew Johnson Hwy (423) 586-1143 Sonic outlet - Morristown 1153 S Cumberland St (423) 586-0475 People Also Viewed