List of Sonic Stores in Liberty Hill, TX Outlet Note Regular Brands Sonic Texas Liberty Hill 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 - Liberty Hill 14240 W State Highway 29 (512) 778-9918 Sonic outlet - Liberty Hill 14240 W State Highway 29 (512) 778-9276 People Also Viewed