Great Southern National Bank Address: 15122 Highway 15 S, Decatur, MS 39327 Phone: (601) 635-3961 Banks Other Businesses: Citizens Bank at 15330 Highway 15, Decatur, MS 39327 Great Southern National Bank at 15122 Highway 15, Decatur, MS 39327 C S Jones Inc at 406 4th Ave, Decatur, MS 39327 The Magnolia Cafe at 133 E Broad St, Decatur, MS 39327