Comfortably perched on the edge of our seats. Proud sponsor of the Glacier Symphony Orchestra and Chorale firstinterstate.com Member FDIC. Equal Housing Lender. I First F Interstate Bank Built for you. Comfortably perched on the edge of our seats . Proud sponsor of the Glacier Symphony Orchestra and Chorale firstinterstate.com Member FDIC . Equal Housing Lender . I First F Interstate Bank Built for you .