Southern Bancorp Bank Address: 109 W P Malone Dr, Arkadelphia, AR 71923 Phone: (870) 245-2336 Banks, Investments Other Businesses: Bank Of The Ozarks at 2960 Pine St, Arkadelphia, AR 71923 US Bank at 2701 Pine St, Arkadelphia, AR 71923 Regions Bank at 506 Main St, Arkadelphia, AR 71923 Southern Bancorp Bank at 601 Main St, Arkadelphia, AR 71923