Employers and confirming an employee tax code: enquiries

Call HMRC to check the tax code of one of your employees.

From:
HM Revenue & Customs
Published
14 May 2025

Phone

Call HMRC to check the tax code of one of your employees.

You’ll need your employee’s:

  • name
  • date of birth
  • address
  • National Insurance number

You can also find out information in your business tax account.

Before you call

This helpline may ask you some security questions. Make sure your business details and address are up to date in your business tax account or you could fail telephone security. If you do not have a business tax account, you can create one before you check your details.

Telephone: 0300 200 3300

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.

Find out about call charges

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Published 14 May 2025