About Us

First Interstate Bank is an $8.1 billion community banking organization, operating 79 banking offices, along with online and mobile banking services, throughout Montana, Wyoming, and South Dakota. As a recognized leader in community banking services, First Interstate is driven by strong family and corporate values, as well as a commitment to exemplary customer service, exceeding customer expectations through its products and services and supporting, with leadership and resources, the communities we serve.

First Interstate Bank Brand Video

Company History

First Interstate Bank is the principal subsidiary of First Interstate BancSystem, Inc., a financial holding company.

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Strategic Vision

Our strategic vision is the guiding force in everything we do, both inside our company and as part of our communities.

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Investor Relations

Learn more about First Interstate BancSystem, Inc. and how to invest in our success.

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Latest Headlines

Visit our newsroom for the latest information about First Interstate Bank.

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