Zions First National Bank is a subsidiary of Zions Bancorporation which operates more than 500 offices and 600 ATMs in 10 Western states: Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Texas, Utah and Washington. As a full-service bank, Zions offers commercial, installment and mortgage loans; trust 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.