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 Federal Deposit Insurance Corporation records 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 assigned Fed RSSD ID of First Interstate Bank is 659855.

First Interstate Bank currently operates with 138 branches located in 6 states. The bank has most branches in Montana, Oregon, Idaho, Washington and Wyoming. As of today, First Interstate Bank is the 66th largest bank in US by branch count. First Interstate Bank is the 1st largest bank in Montana with 41 branches; 10th in Oregon with 31 branches, 7th in Idaho with 20 branches, 17th in Washington with 17 branches and 3rd in Wyoming with 15 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 https://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 location from the map or list.