First Interstate Bank - Mills


Bank/Credit UnionFinancial/Credit Services

About Us

The mission for First Interstate Bank is to be leaders in the financial and social fabric of the communities we serve, by continuously strengthening our relationships with our customers and employees, and by driving long term shareholder value.

To build a vibrant, prosperous business environment by providing integrated services and resources to members.

Contact Us:

500 North Center Street – Casper, WY 82601
PO Box 399 – Casper, WY 82602