Why do all mobile numbers start with 07?
Question
Why do all mobile phone numbers in the UK start with 07?
Louis, Teddington
Answer
** Definitive **
Name: Patrick, Harrow
Qualification: My ex-neighbour George worked by BT and he told me
Answer: Two reasons. Firstly, it was so people knew that they were calling a mobile phone, back when calling mobiles was really expensive. And secondly, when it came to automated billing, the system knew that the cost of an 07 number was the same across the board.