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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 website.


Who to contact

Contact Name
National Insurance
Helpline: 0300 200 3500
Textphone: 0300 200 3519
National Insurance

Time / Date Details

When is it on
Monday to Friday - 08:00 to 17:00, closed weekends and bank holidays.

Other Details



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Last Updated: 11/10/2022
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