Rates and products offered may differ from state to state. To see the rate and offering available to you, please select the state where you bank. (Your privacy is important to us—see our Privacy Notice)
Your routing number, or routing transit number (RTN) assigned by the ABA, will be assigned based on your account opening location.
ABA routing numbers are assigned as follows:
Northern CA Area – 121002042
Southern CA Area – 122003396
San Diego Area – 122232109
Find your routing number on checks:
Your routing number can also be found at the bottom of your checks. This will show as the first 9-digit number on the bottom left side, located on the MICR number line.
For additional information, please call the CB&T Customer Contact Center during business hours at (800) 400-6080 (available Mon.-Fri., 7am-7pm and Sat., 9am-5pm PT), or visit the nearest branch.
For all incoming international wires and received export letters of credit please use the following:
SWIFT BIC for incoming international wires: ZFNBUS55 - Zions Bancorporation N.A.
SWIFT BIC for incoming Letters of Credit: ZFNBUS55LAX - Zions Bancorporation N.A., CBT Division