Davenport Bank and Trust Company was for much of the 20th century the leading bank of the Quad Cities metropolitan area and the surrounding region of eastern Iowa and western Illinois. It was at one time Iowa's largest commercial bank, and the headquarters building has dominated the city's skyline since it was constructed in 1927 at the corner of Third and Main Streets in downtown Davenport, Iowa. It was acquired by Norwest Bank of Minneapolis in 1993 and now operates as part of Wells Fargo following a 1998 merger of the two financial institutions. The historic building was listed on the National Register of Historic Places in 1983 under the name of its predecessor financial institution American Commercial and Savings Bank. In 2016 the National Register approved a boundary increase with th