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.

Contact Information: Is Yours Up-to-Date?

March 11th, 2013

Address Up-to-date?

Help protect your hard earned money! Please make sure we have your current address, phone number, and email on file.

At First Interstate, we primarily rely on direct mail and phone calls to contact our customers regarding important account information. Therefore, it is vitally important we have your up-to-date mailing address, phone number, and email on file. Please take a moment to ensure we have your accurate contact information by doing one of the following:

  1. If you are an I-Bank Personal Online Banking customer, please login to your account and select the “Account Management” tab. Next, select the “Change of Address” link to view the mailing address currently on file. If this is not correct, please fill out the form with your new mailing address and submit. You may also submit an address change using the Secure Message System (SMS) within online banking. To update your email address, simply click on the “Options” tab.
  2. Visit your local branch to verify the contact information they have on file. You can find your branch’s contact information by using our Locations page. You will need to complete and sign a Change of Address Form if updates are needed.
  3. Call our Customer Support Center at 1-888-752-3332, M-F, 7:30am-6pm MST to verify your contact information on file. If a change is needed, they will send you a Change of Address Form to fill out and return.

First Interstate Bank strives to not only meet but exceed our customers’ expectations. Ensuring we have your correct contact information on file helps us provide you with the highest level of service possible. It also ensures that important banking documents - including new debit and credit cards - reach you in a timely fashion. So don’t wait - verify your information today!