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First Interstate Bank


Banks, Credit Unions & Financial Services

About Us

First Interstate is a community bank headquartered in Billings, Montana, delivering best-in-class banking and Wealth Management services throughout Idaho, Montana, Oregon, South Dakota, Washington, and Wyoming. With over 140 offices, First Interstate enhances the communities it serves through an innovative corporate philanthropy program, which involves donating a portion of Company profits, matching employees’ personal financial contributions, and donating $10 per hour for volunteer efforts made at qualifying organizations.


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