First Interstate Bank is a community bank headquartered in Billings, Montana, and a subsidiary of First Interstate BancSystem, Inc. (NASDAQ: FIBK). Founded in 1968, the bank operates 74 banking offices across 14 states in the Western and Midwestern United States, managing approximately $30 billion in assets.
The bank provides a comprehensive suite of retail and commercial banking services. Its retail offerings include checking and savings accounts, certificates of deposit, and online and mobile banking platforms. For commercial clients, First Interstate offers customized lending solutions, repurchase agreements, cash management services, and investment management capabilities. The bank also provides wealth management services for clients seeking portfolio oversight and financial planning.
First Interstate combines physical branch presence with digital banking infrastructure to serve customers across its regional footprint. Its technology capabilities span online banking, mobile banking platforms, and cash management systems designed to support both individual and commercial clients. The bank emphasises integration of local service with digital tools to serve its customer base across dispersed geographic markets.




