The Postal Museum on X: "#OnThisDay in 1965 The Post Office Tower, now called the #BTtower, officially opened. At 189 metres high, the Tower was the tallest building in London until 1980
![BT Tower in London built in 1965 originally the Post Office Tower but also known as the British Telecom Tower which is a popular travel destination to Stock Photo - Alamy BT Tower in London built in 1965 originally the Post Office Tower but also known as the British Telecom Tower which is a popular travel destination to Stock Photo - Alamy](https://c8.alamy.com/comp/2DR5THP/bt-tower-in-london-built-in-1965-originally-the-post-office-tower-but-also-known-as-the-british-telecom-tower-which-is-a-popular-travel-destination-to-2DR5THP.jpg)
BT Tower in London built in 1965 originally the Post Office Tower but also known as the British Telecom Tower which is a popular travel destination to Stock Photo - Alamy
![BT Tower Cleveland Street London England Post Office Tower London Telecom Tower, Stock Photo, Picture And Rights Managed Image. Pic. RDC-AD_131903 | agefotostock BT Tower Cleveland Street London England Post Office Tower London Telecom Tower, Stock Photo, Picture And Rights Managed Image. Pic. RDC-AD_131903 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/4236918b4cf0f1062b1b2dba916dc5b8/rdc-ad_131903.jpg)
BT Tower Cleveland Street London England Post Office Tower London Telecom Tower, Stock Photo, Picture And Rights Managed Image. Pic. RDC-AD_131903 | agefotostock
![Vue aérienne de la BT Tower, anciennement Post Office Tower, dans Fitzrovia, à l'ouest de Londres, Royaume-Uni Photo Stock - Alamy Vue aérienne de la BT Tower, anciennement Post Office Tower, dans Fitzrovia, à l'ouest de Londres, Royaume-Uni Photo Stock - Alamy](https://c8.alamy.com/compfr/gj3mb6/vue-aerienne-de-la-bt-tower-anciennement-post-office-tower-dans-fitzrovia-a-l-ouest-de-londres-royaume-uni-gj3mb6.jpg)
Vue aérienne de la BT Tower, anciennement Post Office Tower, dans Fitzrovia, à l'ouest de Londres, Royaume-Uni Photo Stock - Alamy
![La BT Tower, officiellement le bureau de poste , La Tour Tour de GPO, et la tour de télécommunication sur la rue Maple, Fitzrovia, Londres Photo Stock - Alamy La BT Tower, officiellement le bureau de poste , La Tour Tour de GPO, et la tour de télécommunication sur la rue Maple, Fitzrovia, Londres Photo Stock - Alamy](https://c8.alamy.com/compfr/kfgpac/la-bt-tower-officiellement-le-bureau-de-poste-la-tour-tour-de-gpo-et-la-tour-de-telecommunication-sur-la-rue-maple-fitzrovia-londres-kfgpac.jpg)
La BT Tower, officiellement le bureau de poste , La Tour Tour de GPO, et la tour de télécommunication sur la rue Maple, Fitzrovia, Londres Photo Stock - Alamy
![London Telecom Tower, formerly BT Tower and Post Office Tower, Fitzrovia, West End, London - photos and background London Telecom Tower, formerly BT Tower and Post Office Tower, Fitzrovia, West End, London - photos and background](https://www.urban75.org/london/images/telecom1.jpg)