First Interstate Bank

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, firstinterstatebank.com/login when accessing Online Banking or First Interstate’s other online products and services. For mortgage support, please contact your Mortgage Loan Officer directly. If you believe you have input information into the fraudulent site, please contact your local branch for assistance.

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Recent News

First Interstate Bank Kicks Off Third Annual Believe in Local

May 31, 2024

First Interstate Bank Kicks Off Third Annual Believe in Local

First Interstate, FHLB Award $400K Grant to Special Olympics Montana

May 20, 2024

First Interstate, FHLB Award $400K Grant to Special Olympics Montana

New Elkhorn Athletic Assoc. Complex Named First Interstate Bank SportsPlex

April 23, 2024

New Elkhorn Athletic Assoc. Complex Named First Interstate Bank SportsPlex

First Interstate Partners with FHLB to Award Nearly $2.6M in Grants

April 8, 2024

First Interstate Partners with FHLB to Award Nearly $2.6M in Grants

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