• First Interstate Bank

    First Interstate Bank


    Banks and Lending InstitutionsFinancial ServicesMortgages

    About Us

    At Great Western Bank, we're focused on you. We're focused on Making Life Great for the people and communities we serve. We do it with honesty, integrity, and respect - always have, always will.

    We're also proud to offer the great products and services that'll help you live the life you want. This means thinking ahead and adopting new, cutting-edge services that are right for the times.

    Rep/Contact Info

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    Greg Olson
    Bank President
    Mark Waterman
    Mortgage Loan Originator
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