First Interstate Bank is a multistate, $4.2 billion banking organization headquartered in Billings, Mont. First Interstate has evolved since 1968 from a single bank in Sheridan, Wyo., to operating more than 50 branches and nearly 130 automatic teller machines in Montana and Wyoming. The bank is the principal subsidiary of First Interstate BancSystem, a financial holding company. The bank s personal banking services include checking and savings accounts, overdraft protection, telephone banking, credit cards, trust and investment management services, Internet banking, consumer loans, home loans and Escrow services. Its business banking services include business checking and savings, business loans, business credit cards, trust and investment management services, Escrow services and merchant payment services. Its financial services include trust, investment, insurance, retirement and estate planning services. The bank also offers online banking options. First Interstate Bank serves more than 30 communities throughout Montana and Wyoming.