First Interstate Bank

Opportunity Bank of Montana opened our doors in Helena in 1922 as American Building and Loan. In 2014, the Bank applied to the state of Montana to change our charter from a federal savings and loan to a state chartered bank. Along with this change also came an exciting new name: Opportunity Bank of…

American Bank is a full-service institution that offers a range of financial products and services. It is a community bank that has more than five locations in Big Sky, Big Timber, Bozeman, Livingston and Whitefish in Montana. The bank offers consumer and business checking and savings accounts. American Bank also provides individual retirement accounts and credit cards. The bank offers a variety of real estate lending options. In addition, it offers 24-hour telephone banking services. The bank provides loans for the purchase of residential, recreational and commercial properties. It offers online banking and cash management services. American Bank is a member of the Federal Deposit Insurance Corporation (FDIC).