The BT Tower is a communications tower located in Fitzrovia, London, owned by BT Group. It has been previously known as the Post Office Tower, the London Telecom Tower and the British Telecom Tower. The main structure is 177 metres (581 ft) high, with a further section of aerial rigging bringing the total height to 191 metres (627 ft). It should not be confused with the BT Centre (the global headquarters of BT).