BOK Financial Contact Information
We're here to help.
Looking for support with a personal account or loan? Call ExpressBank customer service.
A banker is available during the following hours:
Monday to Friday: 7 am to 9 pm (CT)
Saturday: 8 am to 5 pm (CT)
Sunday: Closed
Learn more about ExpressBank client support services.
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Online security and fraud resources
BOK Financial uses multiple layers of security designed to help safeguard your accounts and the information you share with us. We also provide educational resources to help you stay informed about fraud risks and online security. Visit our online security center for more information.
If you believe your account has been compromised, please contact the appropriate service team below:
- Personal or Small Business accounts: ExpressBank, 844-517-3308.
- Mortgage clients: Mortgage customer service, 866-910-5224
- Commercial clients on the Exchange platform: 800-878-7817
- BOK Financial StartRight® Retirement Plan Participants: Participant Services Group, 800-876-9557
- Asset Management Retirement Plan Participants: Participant Services, 800-969-6264
Other ways to connect with us
Appointments
Meet with a financial professional
Locations
Find the nearest banking center, ATM or mortgage center

Need help with your retirement plan?
For help with your Start Right retirement plan—including account access or transaction questions—log in to your retirement plan account and click “Contact Us” at the bottom of the page.
You can also call the Participant Services Group at 800-876-9557.
Frequently asked questions
Visit our additional account logins page to find links to your other personal or business accounts.
Your BOK Financial routing number will depend on the area you are in.
Here are the routing numbers for the areas we serve:
Arizona: 122105498
Arkansas: 082901392
Colorado: 102000607
Kansas/Missouri: 101015101We recommend you verify your routing number by looking at your checks.
- Log in to your account.
- Under Account Features, select Manage My Cards.
- Select the card in question and choose lock this card.
You can pick up a new card in a banking center or call ExpressBank to have the new card mailed to you.
For further assistance or questions, please call ExpressBank: 844-517-3308.
- Download our Mobile Access App or update to the latest version. The app is available on iPhone®, iPad® or Android™.
- Register for Mobile Access on the app, or use your Online Access username and password to sign in.
- Tap the Deposits tab and follow the instructions to deposit your check.
Visit our mobile deposit page to learn more.
- Log into your BOK Financial app (Mobile Access). You will need to download the latest version of our app to use Zelle®.
- Tap "Transfers" at the bottom of the screen, then select the Zelle® icon.
- Enroll your U.S. mobile number or email address.
- Send money to friends family and others you know and trust.
Visit our Zelle® page to learn more and view other FAQs about this feature.