List of Sonic Stores in Piedmont, MO Outlet Note Regular Brands Sonic Missouri Piedmont 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 outlet - Piedmont Highway 34 And Legion Park Roa (573) 223-4484 People Also Viewed