Apply for a National Insurance Number

To apply for a National Insurance number you must:

Call the National Insurance number application line to apply.

National Insurance number application line
Telephone: 0800 141 2075 
Textphone: 0800 141 2438
Monday to Friday, 8:30am to 5pm

After you’ve applied

You’ll get a letter from the Department for Work and Pensions (DWP) asking you to come to a National Insurance number interview at Jobcentre Plus.

The letter will also tell you which documents to bring to prove your identity, such as:

  • Passport or identity card
  • Residence permit
  • birth or adoption certificate
  • marriage or civil partnership certificate
  • driving licence

At the interview, you’ll be asked about your circumstances and why you need a National Insurance number. You’ll also be told how long it’ll take to get your National Insurance number.

If you change your address before you get your letter, tell DWP by contacting the National Insurance number application line.

Working without a National Insurance number

You can start work before your National Insurance number arrives if you can prove you can work in the UK. You should tell your employer that you’ve applied for one, and give it to them when you have it.

Adult Social Care

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