The switchover to all figure dialling began in the UK in 1966 following the successful conversion of telephone numbers in Paris, in 1963, which until then had also used the 3L-4N combinations.
The switchover to all figure dialling began in the UK in 1966 following the successful conversion of telephone numbers in Paris. This was in 1963.1963 until then had also used the 3L-4N combinations.