Great Southern National Bank ← View details 15122 Mississippi 15, Decatur, MS 39327 +1 601-635-3960 gsnb.com Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:30 am — 04:00 pm Tuesday: 08:30 am — 04:00 pm Wednesday: 08:30 am — 04:00 pm Thursday: 08:30 am — 04:00 pm Friday: 08:30 am — 05:00 pm Your comments * — Required information