Tax credits: general enquiries
Contact HMRC for help with tax credits, or to report changes to your circumstances.
Tax credits ended on 5 April 2025. No more payments will be made. You’ll have been sent a letter if you are eligible for Universal Credit or Pension Credit instead.
Online
Ask HMRC’s digital assistant to find information on:
- tax credits
- Universal Credit
Check when you can expect a reply from HMRC
Find out when you can expect to receive a reply from HMRC to a query or request you’ve made.
You can also find out information in:
- the official HMRC app
- your personal tax account
X (previously known as Twitter)
You can use X to ask HMRC questions. We cannot discuss specific cases or individual tax affairs, so do not give any personal details.
Start your post with @HMRCcustomers
Opening times:
- Monday to Friday: 8am to 8pm
- Saturday: 8am to 4pm
Closed on Sundays and bank holidays.
Phone
Call HMRC:
- to report changes that affect your tax credits
- if you have a general enquiry about your tax credits
You can use Relay UK if you cannot hear or speak on the phone, dial 18001 then 0345 300 3900. Find out more on the Relay UK website.
Before you call
This helpline uses speech recognition software, so you will be asked why you are calling HMRC. If you cannot use speech recognition software, you can get help from HMRC if you need extra support.
This helpline may also 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 create one before you check your details.
HMRC may ask if you want to add voice identification to your account. You can find out more in the Voice Identification Privacy Notice.
Telephone: 0345 300 3900
Outside UK: +44 2890 538 192
Opening times: Monday to Friday, 8am to 5pm. Closed bank holidays.
Phone lines are usually less busy Tuesday to Thursday from 2pm to 4pm.
Opening times over Christmas and New Year
Phone line opening times over Christmas and New Year are:
- Wednesday 24 December: 8am to 4pm
- Thursday 25 December to Sunday 28 December: closed
- Monday 29 December and Tuesday 30 December: 8am to 5pm
- Wednesday 31 December: 8am to 4pm
- Thursday 1 January: closed
- Friday 2 January: 8am to 5pm
Post
Complaints or change of circumstances
Send complaints or changes in your circumstances to this address. You do not need to include a street name or PO box.
Make it clear why you’re writing. For example, write ‘change of circumstances’ or ‘complaint’ at the top of your letter.
Couriers should use a different address.
HM Revenue and Customs
Tax Credit Office
BX9 1ER
United Kingdom
Related content
Guidance
HMRC contacts
Updates to this page
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Phone line opening times over Christmas and New Year have been added.
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The phone line opening times have changed from 8am to 6pm to 8am to 5pm.
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First published.