List of Sonic Stores in Waterloo, IL Outlet Note Regular Brands Sonic Illinois Waterloo 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 - Waterloo 847 N Market St (618) 939-1100 People Also Viewed