Please note National Insurance guidance from HM Revenue & Customs can be found on the GOV.UK website. We provide links to the key information below.
Find a lost National Insurance number
What to do if you lose your National Insurance number, information about where to find it, and who to contact
Apply for a National Insurance number
Apply for your first National Insurance number – you must have the right to live and work in the UK
Get a National Insurance number for a looked after child
How to get a National Insurance number for a child who is in the care of a local authority
