Self-employed: National Insurance

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Online forms

If HMRC needs to contact you about anything confidential they’ll reply by phone or post.

Phone

  • Telephone: 0300 200 3500
  • Textphone: 0300 200 3519
  • Outside UK: +44 191 203 7010

Phone HMRC:

  • if you’re self-employed and have a National Insurance enquiry or need to report changes to your personal details
  • to register for National Insurance, Income Tax and VAT if you’ve recently become self-employed

Find out about call charges

Opening times:

8am to 8pm, Monday to Friday
8am to 4pm, Saturday

Closed Sundays and bank holidays

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Don’t include personal or financial information, eg your National Insurance number or credit card details.