Zions Bancorporation is a bank holding company based in the United States, primarily serving the western region. Founded in 1873, it operates through various subsidiaries, including Zions Bank, California Bank & Trust, and National Bank of Arizona. The company offers a range of financial services, including personal and business banking, investment services, and mortgage lending. The bank is known for its strong community focus and commitment to customer service. With a network of branches and ATMs, Zions Bancorporation aims to provide accessible banking solutions to individuals and businesses, helping them achieve their financial goals.