Extended Support Hours

Our customer support center will be available from 10am-4pm on Sunday, October 23rd to assist customers with online and mobile banking questions.

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.

Call Center


M-F, 7:30am-6pm MST

*Required Fields

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.