The BT Group Archives houses the history of telecommunications services in the UK and overseas. Every type of record imaginable about British Telecommunications is on file: historical telephone directories, post office collections and photos of old inventions are available to be researched. Open Tuesdays and Thursdays 10:00 – 18:00 (by appointment) Various fees for copies.
Tel: 020 7440 4220
Location: Third Floor Holborn Telephone Exchange, 268-270 High Holborn, WC1V 7EE (Click Here For Map)
Nearest station: Holborn