First Federal Bankshares, Inc. is the holding company for Vantus Bank, which was founded in 1923. The Bank offers retail and commercial banking services through its main office in Sioux City, Iowa and its fourteen branch offices in northwest Iowa, central Iowa, and northeast Nebraska.  The Bank provides traditional banking products and services, such as consumer and commercial deposit accounts and residential, consumer, and commercial loans. The Bank also offers non-FDIC insured mutual funds, annuities and brockerage services through registered investment professionals.  Vantus Bank is one of the largest financial institutions headquartered in Iowa.