Banks in American Falls, Idaho, the US. Banks locations in American Falls, Idaho. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Finance Funeral home Insurance Real estate School All banks in American Falls Closed now Bank of Commerce Finance Bank +1 208-226-7026 590 Tyhee Avenue, American Falls, Idaho 83211 Write a review Phone Hours Website Directions Closed now KeyBank ATM Finance Bank +1 208-226-2316 290 Idaho Street, American Falls, Idaho 83211 Write a review Phone Hours Website Directions