Bank name: First Interstate Bank Of Montana Address: 1800 6th Ave N Billings, MT 59101 Servicing Fed's Main Office: 101000048 Phone: 406-255-5000 Status: Active Type: Main Office
What is a Routing Number?
In the United States, an ABA routing transit number (ABA RTN) is a nine-digit code printed on the bottom of checks to identify the financial institution on which it was drawn.