First Interstate BancSystem

About Us

First Interstate BancSystem is a community-focused financial institution headquartered in Billings, Wyoming. With a commitment to providing personalized banking solutions, we serve individuals and businesses across the region. Our range of services includes personal and commercial banking, wealth management, and mortgage solutions. At First Interstate BancSystem, we pride ourselves on our strong values, supportive culture, and dedication to customer service, fostering meaningful relationships to help our clients achieve their financial goals.