First Interstate Bank is an $13.4 billion community banking organization, operating over 80 banking offices, along with online and mobile banking services, throughout Montana, Wyoming, and South Dakota.
First Interstate Bank is the principal subsidiary of First Interstate BancSystem, Inc.
Bank Routing Number: #092901683
HQ: Billings, USA
Founded: 1916
ID: 596. Updated: 05.07.2019
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