List of Sonic Stores in Washington, MO Outlet Note Regular Brands Sonic Missouri Washington 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 - Washington 545 E 5th St (636) 390-4411 People Also Viewed