Great Western Bank Email Format

Financial ServicesUnited States501-1000 Employees

First Interstate Bank operates as a community bank offering a combination of traditional banking and wealth management services across Idaho, Montana, Oregon, South Dakota, Washington, and Wyoming. It is based in Billings, Montana, and functions as a regional institution focused on serving local communities through its financial products and related activities. The organization emphasizes community welfare through its services, volunteer efforts, and philanthropic involvement.

The bank serves both individuals and businesses with a broad range of financial offerings designed to meet local needs within its six-state footprint. It sits within the regional community banking segment, prioritizing local engagement and programs that support the communities it serves. A recent development involves a partnership with Prolific Banking to implement a digital Treasury Solutions client onboarding platform, signaling ongoing modernization of the client experience.

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