how many digits do uk phone numbers have
Telephone numbers in the United Kingdom Since 28 April 2001, almost all geographic numbers and most non-geographic numbers have 9 or 10 national (significant) numbers after the "0" trunk code. All mobile telephone numbers have 10 national (significant) numbers after the "0" trunk code. The overall structure of the UK's National Numbering Plan is:[1]
999 (emergency telephone number) 999 or 112 is used to contact the emergency services upon witnessing or being involved in an emergency. In the United Kingdom, the numbers 999 and 112 both connect to the same service, and there is no priority or charge for either of them. Callers dialling 911, the USA's emergency number, will be transferred to the 999 call system if the call is made within the United Kingdom.