List of Sonic Stores in Harlingen, TX Outlet Note Regular Brands Sonic Texas Harlingen 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 - Harlingen 509 N Ed Carey Dr (956) 423-5283 Sonic outlet - Harlingen 509 N Ed Carey Dr (956) 423-5283 Sonic outlet - Harlingen 1302 Morgan Blvd (956) 428-5598 People Also Viewed