The BT Tower is a landmark in Birmingham, England, and is also the tallest building in the city. Its Post Office code was YBMR. Construction of the tower commenced in July 1963 and was completed in September 1965. The tower became operational in December 1966 and was officially opened by the Lord Mayor of Birmingham, Alderman James S. Meadows on 5 October 1967. It was designed by the Ministry of Public Building and Works with M.H. Bristow being the senior architect. It has 26 storeys, housing technical areas and offices, and five levels of circular aerial galleries at the top.