List of Sonic Stores in Grain Valley, MO Outlet Note Regular Brands Sonic Missouri Grain Valley 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 - Grain Valley 706 S Main St (816) 847-5533 Sonic outlet - Grain Valley 706 S Main St (816) 847-5533 People Also Viewed