National Insurance Enquiries - Helpline
Helpline for all general enquiries about National Insurance (N.I.) telephone the helpline: 0300 200 3500.
Telephone number:
03002003500
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
- i you're self-employed and you have an enquiry about your N.I.
- if you need a letter confirming your N.I. number
Additional Contact Information
03002003519
Last modified on 27 May 2025