There are eleven (11) automated teller locations in the Sioux City area, each offering convenient, around-the-clock access to cash and other banking services, including fund transfers and current balances. ATMs at our main and branch bank locations (excluding Motor Bank) also accept deposits. Full Service Locations Downtown Office -- 601 Pierce Northside Branch -- 3131 Floyd BlvdMorningside Branch -- 4700 Sergeant RoadSecurity National Bank of South Dakota -- 325 Dakota Dunes Blvd Cash Dispenser Locations Marketplace Branch -- 2827 Hamilton BlvdSouthern Hills Mall -- Near the Food CourtSouthern Hills Mall -- Near Barnes & NobleSt. Luke's Regional Medical Center -- 1st FloorWestern Iowa Tech Community College Tyson Event Center |