Post Tower was created in 2002.
Chautauqua Tower was created in 1891.
Concord Tower was created in 2007.
Americas Tower was created in 1992.
Tower Hill Water Tower was created in 1854.
If you are referring to the British Telecom Tower in central London - which used to be called the Post Office Tower - it's 620 feet or 189 metres tall.
Colston Tower was created in 1973.
Price Tower was created in 1956.
Genex Tower was created in 1980.
Menshikov Tower was created in 1707.
Tower at Cityplace was created in 1988.
RWE Tower was created in 1996.
TCW Tower was created in 1990.