Telephone Exchanges in the UK
For more than a century the telephone exchange has formed the backbone of our telecommunications system. A vast array of more than 5,500 mostly nondescript buildings sit unnoticed on city, town or village streets, and quietly link up more than 254 million kilometres of cables and wires – keeping people in the UK connected to each other and the rest of the world. Since the first telephone exchange was established in London in 1879 with just eight subscribers, these anonymous looking buildings ha