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Tell HMRC about a change to your personal details

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

Phone

Call HMRC if you鈥檙e self-employed and have an Income Tax enquiry or need to report changes to your personal details.

Before you call

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

Opening times:

Monday to Friday: 8am to 6pm

Closed on Saturdays, Sundays and bank holidays.

You can also find out information in either your:

• personal tax account
• business tax account

Best time to call:

Phone lines are less busy before 10am, Monday to Friday.

Find out about call charges

Post

Write to HMRC at the address shown on the most recent letter they have sent you with questions about Income Tax if you鈥檙e self-employed.

If you do not have a letter write to this address.

You do not need to include a street name, city name or PO box when writing to this address.

Couriers should use a different address.