List of Sonic Stores in Rockford, IL Outlet Note Regular Brands Sonic Illinois Rockford 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 - Rockford 2137 S Perryville Rd (815) 394-2777 Sonic outlet - Rockford 2137 S Perryville Rd (815) 394-2777 People Also Viewed