Information on Sonic in Sulphur, LA 00000 Outlet Note Regular Brands Sonic Louisiana Sulphur 1525604 Rating 4.5 based on 91 votes Address S. Cities Service Hwy Sulphur, LA 00000 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby Sonic Outlet Sonic Outlet - Abbeville Sonic Outlet - Alexandria Sonic Outlet - Alexandria Sonic Outlet - Alexandria People Also Viewed