![A British Telecom employee holds the first ever London telephone directory for 1880 at British Telecom archives, central London, which included no telephone numbers - the caller dialed the operator and asked A British Telecom employee holds the first ever London telephone directory for 1880 at British Telecom archives, central London, which included no telephone numbers - the caller dialed the operator and asked](https://c8.alamy.com/comp/G9H20C/a-british-telecom-employee-holds-the-first-ever-london-telephone-directory-G9H20C.jpg)
A British Telecom employee holds the first ever London telephone directory for 1880 at British Telecom archives, central London, which included no telephone numbers - the caller dialed the operator and asked
![The telephone number for Buckingham Palace as shown in the 1916 telephone directory at British Telecom archives, central London Stock Photo - Alamy The telephone number for Buckingham Palace as shown in the 1916 telephone directory at British Telecom archives, central London Stock Photo - Alamy](https://c8.alamy.com/comp/G9HTBC/the-telephone-number-for-buckingham-palace-as-shown-in-the-1916-telephone-G9HTBC.jpg)
The telephone number for Buckingham Palace as shown in the 1916 telephone directory at British Telecom archives, central London Stock Photo - Alamy
![CHEPSTOW - SEP 2019: Old British Telecom Telephone Editorial Photo - Image of retro, europe: 167596161 CHEPSTOW - SEP 2019: Old British Telecom Telephone Editorial Photo - Image of retro, europe: 167596161](https://thumbs.dreamstime.com/z/chepstow-uk-circa-september-vintage-tr-telephone-rental-services-british-telecom-telephone-chepstow-museum-chepstow-sep-old-167596161.jpg)