FIRST INTERSTATE BANK

First Interstate Bank was founded in October 1916 and is based in Billings, Montana. The bank operates as a subsidiary of First Interstate Bancsystem, Inc.. According to the FDIC and based on the institution's charter type, First Interstate Bank is classified as a commercial bank, state charter and Fed member, supervised by the Federal Reserve (FRB). First Interstate Bank is a FDIC-insured bank with certificate number of 1105. The Fed RSSD ID of First Interstate Bank is 659855.

First Interstate Bank currently operates with 119 branches located in 6 states. The bank has most branches in Montana, Oregon, Wyoming, South Dakota and Idaho. As of today, First Interstate Bank is the 71st largest bank in US by branch count. First Interstate Bank is the 1st largest bank in Montana with 43 branches; 10th in Oregon with 28 branches, 3rd in Wyoming with 16 branches, 11th in South Dakota with 14 branches and 13th in Idaho with 14 branches.

Bank routing number is a 9 digit code which is necessary to process Fedwire funds transfers, process direct deposits, bill payments, and other such automated transfers. We currently do not have a routing number for First Interstate Bank in our database.

The full address of bank headquarters is 401 North 31st Street, Billings, MT 59101. You can visit the official website of the bank at www.firstinterstatebank.com for more information and online banking service if available. For a list of all First Interstate Bank branches and detailed branch information like hours of operation, phone number and address; please refine your search by selecting a state from the map or list below.