Chester's Chicken Address: 1000 E SD Highway 16, Oacoma, SD 57365 Phone: (605) 234-6051 Restaurants, Chicken Other Businesses: Arby's at 102 East Highway 16, Oacoma, SD 57365 Arbys at 102 E SD Highway 16, Oacoma, SD 57365 Dakota Shell at 101 E Hwy 16, Oacoma, SD 57365