Southern Bancorp Bank Address: 6764 Highway 7, Bismarck, AR 71929 Phone: (501) 865-2909 Hours: Mon: 8am-6pm Tue: 8am-6pm Wed: 8am-6pm Thu: 8am-6pm Fri: 8am-6pm Sat: 8am-12pm Banks, Loans Other Businesses: Country Charm at 8354 Highway 84, Bismarck, AR 71929 Caddo Cottage at 573 Edgewood Dr, Bismarck, AR 71929 Tiffany's Bed & Breakfast at 1632 Highway 347, Bismarck, AR 71929 Remember When Cabins at 2680 Caddo Dr, Bismarck, AR 71929 US Bank at 6677 Highway 7, Bismarck, AR 71929