Support Center
Monday-Friday 7:30 a.m. to 7:00 p.m. MT and Saturday 10:00 a.m. to 2:00 p.m.
or Contact Us Online
Monday-Friday 7:30 a.m. to 7:00 p.m. MT and Saturday 10:00 a.m. to 2:00 p.m.
or Contact Us Online
Enjoy the convenience of First Interstate Bank's 24 Hour Day & Night Telephone Banking.
Report your lost or stolen Credit/ATM/Debit card. Select your card from our lineup to get started.
Fill out our convenient form to submit any dispute items on your ATM or Debit Card.
Fill out our convenient form to submit a wire transfer dispute.
Third parties requesting account balance information to determine eligibility for loans or government subsidies may obtain information and form here.
Send us any general questions or comments. If you wish to include sensitive information, please login to your Online Banking account to send us a secure message.
Report any suspicious email, text message, or website to our corporate security department. Learn who to contact if your identity has been compromised.
Easily view all our disclosures and other important documents online in one easy location.
View a complete listing of system requirements for all of our online services.
View an entire list of our product and service tours to learn more about each one.
Switch your account(s) to First Interstate Bank in three easy steps.
First Interstate Bank has partnered with Mimecast to communicate securely with you by email. Secure mail transmits encrypted messages that only authorized recipients can access.