Contact Us

Please fill out the following form, which will be emailed directly to our customer support. Let us know about any questions or comments you may have. Please provide us with as much detail as you can, and we'll get back to you.

Note: If you are sending a message containing account numbers or other private financial information, you should send it through our Secure Messaging System (SMS) within Online Banking.

To send an SMS, please login to your Online Banking account to send a secure message, which automatically includes your account information during the communication. View our Support Center or Privacy Policy if you have questions about the types of information First Interstate Bank requests.

Call Center


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Customer Information


Thank You,

At First Interstate Bank, our goal is to provide you with products and services of the highest quality.

We will review and respond to your submission within 1-2 business days (Monday-Friday).

Please ensure that you are not including any social security numbers or account numbers in this communication. Thank you.