Dakota Shell Address: 101 E Hwy 16, Oacoma, SD 57365 Phone: (605) 234-9963 Gas Stations, Shell Other Businesses: Chester's Chicken at 1000 E SD Highway 16, Oacoma, SD 57365 Arby's at 102 East Highway 16, Oacoma, SD 57365 Arbys at 102 E SD Highway 16, Oacoma, SD 57365 Quality Inn at 100 W Hwy 16, Oacoma, SD 57365