First Dakota National Bank Address: 1000 E SD Highway 16, Oacoma, SD 57365 Phone: (605) 234-5005 Banks Other Businesses: Howard Johnson Inn & Suites Oacoma at 203 East Highway 16, Oacoma, SD 57325 Quality Inn at I90 Exit 260, Oacoma, SD 57365 T & S Hospitality LLC at 100 W Highway 16, Oacoma, SD 57365 Oasis Inn at 1100 E Highway 16, Oacoma, SD 57365