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  1. This is a list of telephone exchanges located within Greater London. [1] Occasionally, in areas of high demand, two exchanges are located at the same premises; for example Canary Wharf and Poplar.

  2. 27 de abr. de 2023 · This is a list of telephone exchanges located within Greater London. Occasionally, in areas of high demand, two exchanges are located at the same premises; for example Canary Wharf and Poplar.

  3. A telephone exchange name or central office name was a distinguishing and memorable name assigned to a central office. It identified the switching system to which a telephone was connected, and facilitated the connection of telephone calls between switching systems in different localities.

  4. Beginning with London 's director system, a need to automate telephone dialling resulted in every exchange being allocated either a unique Subscriber Trunk Dialling (STD) code or unique range of numbers within a wider dialling code area.

  5. Media in category "Telephone exchanges in London". The following 6 files are in this category, out of 6 total. Automatic Telephone Exchange- Communications in Wartime, London, England, UK, 1945 D23693.jpg 762 × 800; 105 KB.

  6. · The first automatic telephone exchange, not needing an operator to connect calls, was opened in Epsom, Surrey, in 1912. · The ‘Speaking Clock’ was launched in 1936 following the ‘Golden Voice’ competition won by Jane Cain, a telephonist at Victoria telephone exchange in London.

  7. Two new international telephone exchanges - Mondial and Thames - were opened in London. The Herald, the first of British Telecom's microprocessor controlled key button systems was introduced in November of this year.