Skip Navigation Documents in Portable Document Format (PDF) require Adobe Acrobat Reader 5.0 or higher to view,download Adobe® Acrobat Reader. OUR BANK STORY American Bank American Bank logo MENU ICON MENU SEARCH ICON SEARCH ONLINE BANKING LOGIN Online Banking login Username Create an Account (Opens in a new Window) Reset Your Password (Opens in a new Window) AMERICAN BANK'S HISTORY American Bank is a locally-owned and operated Montana bank with branches in Bozeman, Livingston, Whitefish, Big Timber and Big Sky. We're proud to have served Montanans for more than 70 years. TIMELINE 1947 BANK ESTABLISHED Claude R. Erickson founded Livingston State Bank in June of 1947. Claude was known for his firm handshake and his favorite saying, "Shake the hand of the honest man." 1964 HOLDING COMPANY FORMED The bank holding company, Guaranty Development Company, was formed in November of 1964. 1966 NAME CHANGED In January of 1966, Livingston State Bank changed its name to First Security Bank of Livingston. 1978 PURCHASE OF BIG TIMBER BRANCH The bank acquired First State Bank of Big Timber in August of 1978. We changed it's name to First Security Bank of Big Timber the following February, Also at this time, Claude hired on his son Bruce A. Erickson. 1983 PURCHASE OF BILLINGS BRANCH We acquired Western State Bank of Billings in February of 1983, and renamed the branch American Bank of Billings that November. The other two branch names remained the same. 1992 PURCHASE OF FIRST BOZEMAN BRANCH In November of 1992, we purchased Interwest Bank of Montana, allowing us to open our West Main Bozeman branch. AMERICAN BANK NAME ESTABLISHED BANK-WIDE Also in 1992, we officially renamed all of our branches American Bank. 1995 WHITEFISH BRANCH OPENED We opened up our first Whitefish location in September of 1995. 1997 BILLINGS BRANCH SOLD We sold our Billings branch in December of 1997. 1999 BIG SKY BRANCH OPENED We opened our Big Sky branch in January of 1999. 2000 SECOND BOZEMAN BRANCH OPENED We opened our East Main branch in Bozeman in November of 2000. 2003 NEW WHITEFISH BRANCH OPENED For a short period of time, we had two branches in Whitefish, and by July of 2003, we transitioned into the larger branch on Baker Street. TODAY American Bank is still owned by the Ericksons, the same family who opened Livingston State Bank in 1947. Claude’s grandchildren Tyler B. Erickson and Taylor A. Wortman are both on the board of directors, and Tyler works in the bank today. We remain dedicated to caring for our customers, employees and communities. CONNECT Contact Us (800) 255-7911 Branches & ATM Finder Careers RESOURCES Routing Number #092901227 Mobile Banking Reorder Checks (Opens in a new Window) **Funds Availability Policy** LEGAL Privacy & Security Financials Equal Housing Lender (Opens in a new Window) Member FDIC (Opens in a new Window) SCROLL BACK TO THE TOP American Bank © 2021