National Insurance Enquiries - Helpline

Helpline for all general enquiries about National Insurance (N.I.) telephone the helpline: 0300 200 3500.

Enquiries can include:

• What to do if you've lost or forgotten your N.I. number
• If you want to find out about gaps in your N.I. contributions
• If you're self-employed and you have an enquiry about your N.I.
• If you need a letter confirming your N.I. number

Help and further information about N.I. can be found on the gov.uk website.