Former Bank of the Cascades Clients:

If you haven’t already, be sure to update the phone number for First Interstate Bank’s Client Contact Center (1-855-342-3400). The phone numbers previously used to access Bank of the Cascades’ Customer Support Center will not work as of March 6, 2018.

Mortgage Application

Our online application takes about 20 minutes to complete. When you finish the application, a First Interstate loan originator will review your application and contact you to introduce himself or herself and to answer any questions you have.