List of Sonic Stores in Sulphur, LA Outlet Note Regular Brands Sonic Louisiana Sulphur 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 - Sulphur 1996 E. Napole0n Street (337) 625-5370 Sonic outlet - Sulphur 2720 Ruth St (337) 527-5370 Sonic outlet - Sulphur S. Cities Service Hwy People Also Viewed