National Bank of Arizona is a division of Zions Bancorporation, N.A., which operates in nearly 500 local financial centers across 11 Western states: Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Texas, Utah, Washington and Wyoming. National Bank of Arizona was founded in Tucson in 1984 and has grown to become one of the largest full-service community banks in the state. The bank offers a wide range of products and services to individuals and businesses, including checking and savings accounts, loans, credit cards, wealth management, and more.