![Mace on Twitter: "#OnThisDay in 1958 Queen Elizabeth II inaugurated automatic Subscriber Trunk Dialling (STD) by making a call from Bristol Central Telephone Exchange to the Lord Provost of Edinburgh, more than Mace on Twitter: "#OnThisDay in 1958 Queen Elizabeth II inaugurated automatic Subscriber Trunk Dialling (STD) by making a call from Bristol Central Telephone Exchange to the Lord Provost of Edinburgh, more than](https://pbs.twimg.com/media/DQTT2rZVwAAZ-1W.jpg)
Mace on Twitter: "#OnThisDay in 1958 Queen Elizabeth II inaugurated automatic Subscriber Trunk Dialling (STD) by making a call from Bristol Central Telephone Exchange to the Lord Provost of Edinburgh, more than
![20005790-Telephone exchange on George Street, Edinburgh - Teletourist display in window - National World | Newsprints 20005790-Telephone exchange on George Street, Edinburgh - Teletourist display in window - National World | Newsprints](https://cdn11.bigcommerce.com/s-37hyw9a1zz/images/stencil/1280x1280/products/156824/149502/20005790__85007.1663703995.jpg?c=1)
20005790-Telephone exchange on George Street, Edinburgh - Teletourist display in window - National World | Newsprints
![Abbeyhill Telephone Exchange, Edinburgh... © David Hillas cc-by-sa/2.0 :: Geograph Britain and Ireland Abbeyhill Telephone Exchange, Edinburgh... © David Hillas cc-by-sa/2.0 :: Geograph Britain and Ireland](https://s0.geograph.org.uk/geophotos/06/06/00/6060088_aee58623.jpg)
Abbeyhill Telephone Exchange, Edinburgh... © David Hillas cc-by-sa/2.0 :: Geograph Britain and Ireland
![20235567-Girls get back to work at the Rose Street GPO telephone exchange after the postal strike in Edinburgh in march 1971. - National World | Newsprints 20235567-Girls get back to work at the Rose Street GPO telephone exchange after the postal strike in Edinburgh in march 1971. - National World | Newsprints](https://cdn11.bigcommerce.com/s-37hyw9a1zz/images/stencil/1280x1280/products/188496/181173/20235567__02588.1663808890.jpg?c=1)
20235567-Girls get back to work at the Rose Street GPO telephone exchange after the postal strike in Edinburgh in march 1971. - National World | Newsprints
![23444891-Construction continues on the new telephone exchange in East London Street Edinburgh in April 1964. - National World | Newsprints 23444891-Construction continues on the new telephone exchange in East London Street Edinburgh in April 1964. - National World | Newsprints](https://cdn11.bigcommerce.com/s-37hyw9a1zz/images/stencil/1280x1280/products/161645/154323/23444891__38660.1663722824.jpg?c=1)
23444891-Construction continues on the new telephone exchange in East London Street Edinburgh in April 1964. - National World | Newsprints
![Nicholas Humfrey on Twitter: "This ugly building is Uxbridge BT Telephone Exchange. It is huge! Uxbridge is going “Fibre First” - which will mean that everyone will have fibre to their property Nicholas Humfrey on Twitter: "This ugly building is Uxbridge BT Telephone Exchange. It is huge! Uxbridge is going “Fibre First” - which will mean that everyone will have fibre to their property](https://pbs.twimg.com/media/FIVm1ENWUAg5xXc.jpg:large)
Nicholas Humfrey on Twitter: "This ugly building is Uxbridge BT Telephone Exchange. It is huge! Uxbridge is going “Fibre First” - which will mean that everyone will have fibre to their property
![Abbeyhill Telephone Exchange, Edinburgh... © David Hillas cc-by-sa/2.0 :: Geograph Britain and Ireland Abbeyhill Telephone Exchange, Edinburgh... © David Hillas cc-by-sa/2.0 :: Geograph Britain and Ireland](https://s0.geograph.org.uk/geophotos/06/06/01/6060100_2a023ee1.jpg)