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.
A First Interstate Bank dispute consultant has 90 days to investigate the claim and, upon completing the investigation, will provide the results to you within three business days. If you have an existing Consumer Foreign Wire Dispute you wish to inquire about, simply contact your local First Interstate Bank branch.
Please use this online form to submit a dispute for a consumer foreign wire. For ATM/Debit disputes use the Debit Card Dispute Form.
At First Interstate Bank, protecting your financial information is our top priority. To this end, we have a firewall between the Internet and our client information preventing unauthorized access. In addition, we only communicate through web browsers that support Secure Socket Layer (SSL) 3.0 or higher. As a final security measure, we encrypt all data communication using state of the art encryption technology and Message Authentication Code (MAC). At First Interstate Bank, we guarantee you will be covered 100% for all funds improperly removed from your accounts while we are handling your transactions. We will reimburse you for any unauthorized online removal of funds from your accounts provided it is not the result of client irresponsibility.
If you have questions or prefer not to complete this form online, please contact your local First Interstate Bank branch.