Zions First National Bank is a subsidiary of Zions Bancorporation which operates more than 400 full-service banking offices in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Utah and Washington. As a full-service bank, Zions offers commercial, installment and mortgage loans; trust services; insurance services; foreign banking services; electronic and online banking services; automatic deposit and nationwide banking and transfer services; as well as the more familiar checking and savings programs.