First Dakota National Bank ← View details 1000 East SD Highway 16, Oacoma, SD 57365 +1 605-234-5005 firstdakota.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 11:00 am 11:45 am — 05:00 pm Tuesday: 09:00 am — 11:00 am 11:45 am — 05:00 pm Wednesday: 09:00 am — 11:00 am 11:45 am — 05:00 pm Thursday: 09:00 am — 11:00 am 11:45 am — 05:00 pm Friday: 09:00 am — 11:00 am 11:45 am — 05:00 pm Your comments * — Required information