when do you get given a national insurance number
National Insurance number People born and resident in the UK are assigned a Child Reference Number shortly after birth when a claim is made for Child Benefit.[3] At age 15 years 9 months HM Revenue and Customs (HMRC) notifies each child of their NI number.[4]
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]