Fraudulent Call Alert

A recent scam has been brought to our attention in which fraudsters call clients pretending to be First Interstate or Mastercard employees asking for their PIN or social security number. Do NOT share this information with anyone. Please note, neither First Interstate nor Mastercard will ever ask for this information over the phone. For questions, please call our Client Contact Center at 1-855-342-3400.

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, please send it via a secure message within Online Banking

To send a secure message, please login to your Online Banking account. View our Support Center or Privacy Statement if you have questions about the types of information First Interstate Bank requests.

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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.