![How letters were used for digits in United Kingdom telephone exchange names and dialling codes up to the 1960's How letters were used for digits in United Kingdom telephone exchange names and dialling codes up to the 1960's](https://rhaworth.net/phreak/img/LCON63.jpg)
How letters were used for digits in United Kingdom telephone exchange names and dialling codes up to the 1960's
![London to get 10million new landline numbers with launch of new dialling code | London Evening Standard | Evening Standard London to get 10million new landline numbers with launch of new dialling code | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2019/08/30/11/landline4680.jpg?width=1200)
London to get 10million new landline numbers with launch of new dialling code | London Evening Standard | Evening Standard
![Woman Stands Next To a Red Telephone Booth in London and Talks on the Mobile Phone Stock Image - Image of female, britain: 131061145 Woman Stands Next To a Red Telephone Booth in London and Talks on the Mobile Phone Stock Image - Image of female, britain: 131061145](https://thumbs.dreamstime.com/z/woman-stands-next-to-red-telephone-booth-london-talks-mobile-phone-attractive-traveler-woman-stands-next-to-red-131061145.jpg)
Woman Stands Next To a Red Telephone Booth in London and Talks on the Mobile Phone Stock Image - Image of female, britain: 131061145
![Mark Ovenden on Twitter: "The times when our #telephone numbers had letters in them (1928-1965). London had over 260 named exchanges until it became impractical and we moved to #AllFigureDialling #LondonHistoryDay Just Mark Ovenden on Twitter: "The times when our #telephone numbers had letters in them (1928-1965). London had over 260 named exchanges until it became impractical and we moved to #AllFigureDialling #LondonHistoryDay Just](https://pbs.twimg.com/media/DehOuYfXcAE_yqu.jpg:large)
Mark Ovenden on Twitter: "The times when our #telephone numbers had letters in them (1928-1965). London had over 260 named exchanges until it became impractical and we moved to #AllFigureDialling #LondonHistoryDay Just
![Business & Residential Telephone Systems Solutions in London Including CCTV | Southern Business Communications Tel: 020 350 30532 Business & Residential Telephone Systems Solutions in London Including CCTV | Southern Business Communications Tel: 020 350 30532](https://sbcltd.co.uk/wp-content/uploads/2018/09/London-Telecoms-.png)
Business & Residential Telephone Systems Solutions in London Including CCTV | Southern Business Communications Tel: 020 350 30532
![1902 london telephone directory british telecom archives hi-res stock photography and images - Alamy 1902 london telephone directory british telecom archives hi-res stock photography and images - Alamy](https://c8.alamy.com/comp/G9H20E/british-telecom-archives-available-online-G9H20E.jpg)