Zions Bancorporation, N.A. Branches Bank Name Zions Bancorporation, N.A. Main Office 1 S Main Street, Salt Lake City, UT 84133 Browse by State Arizona California Colorado Idaho Nevada New Mexico Oregon Texas Utah Washington Wyoming Routing Number Checker Check out the ABA routing number to send a wire transfer or make an ACH. SWIFT Code Checker Find out the required swift code when making an international money transfer.