Phone HMRC’s general enquiries team on their local-rate phone number 0330 200 3300 or call their 7p per minute helpline 0843 504 7177.
Sadly there are no freephone 0800 or 0808 phone numbers for HMRC, but you can call 0330 200 3300 for free from a mobile if you have inclusive minutes in your tariff.
Contact HMRC by calling their main phone number 0330 200 3300 or call their alternative business-rate helpline 0843 504 7177. This is the main tax office for the United Kingdom, so if you have any enquiries about your income tax or self-assessment payments you should phone these numbers.
Tax Credits & Child Benefit
HMRC is also responsible for the payment of certain tax-related benefits, including tax credits and child benefit.
To notify HMRC about a change in your circumstances or address that could affect your tax payments please phone their dedicated helpline 0345 300 3900 or if you would prefer to manage your tax credit payments online please go to their website https://www.gov.uk/manage-your-tax-credits.
If your enquiry relates to your child benefit payments you can call 0300 200 3100 or visit their dedicated live web chat service at www.gov.uk/government/organisations/hm-revenue-customs/contact/child-benefit to notify HMRC about a change to your circumstances or if you believe you are being underpaid by them.