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Phishing Alert: First Interstate Login Page

We’ve discovered a phishing site mimicking our Login page. For your security, please be sure to login directly from our homepage, when accessing Online Banking or First Interstate’s other online products and services. For mortgage support, please contact your Mortgage Loan Officer directly. Learn more about phishing in our Resource Center

System Requirements

We are dedicated to providing you an accessible website that is viewable in the various technologies you use. Please review our system requirements to ensure your devices meet these requirements.

Mobile Banking Requirements

Mobile Text Banking

Must have a text-enabled mobile phone. The majority of all mobile devices in the US now support text messages. To find out if your mobile device supports text messages, contact your mobile service provider. There are some phone plans that do not support short codes which is required to use this service.

Mobile Web Banking

You must have an Internet-enabled mobile phone and it must support WAP (Wireless Application Protocol) 2.2 or higher, the international standard for applications using wireless communication. Most phones today support WAP. To find out if your mobile device is Internet-enabled, contact your mobile service provider. The mobile service provider must offer a true version of mobile web access. Downloadable applications required to run browser access will not function with this service.

Mobile App Banking

  • iPhone® iOS
    • iOS version 14.x and higher
  • Android™ OS
    • Android version 10 and higher (optimized for Android 13)

Mobile Deposit

For best mobile deposit image capture results, please ensure your device has the following specifications. If these specifications are not met, we cannot guarantee resolution for reported problems.

  • iOS version 14.x and higher
  • Android version 10 and higher (optimized for Android 13)

Please NOTE: Please contact your mobile service provider for specific questions relating to your mobile device.