Phone HMRC by calling their general enquiries helpline 0843 504 7177 or phone their mobile-friendly contact number 0300 200 3300.
Contact the HMRC general enquiries team by calling their main phone number 0843 504 7177 or their local-rate helpline 0300 200 3300. Her Majesty’s Revenue & Customs (HMRC) oversee all the income tax and national insurance payments in the United Kingdom. If your enquiry instead relates to your HMRC self-assessment tax matters then please call their dedicated self-assessment helpline 0300 200 3310. To contact HMRC about your tax credit payments, or to notify HMRC about any changes to your circumstances that will affect your tax credits then please call their official phone number 0345 300 3900, or alternatively go to the official HMRC tax credits website https://www.gov.uk/manage-your-tax-credits. If you need to contact HMRC about your child benefit payments, such as to change your HMRC registered address or to notify HMRC that your child is no long eligible for child benefit payments please contact an advisor by calling 0300 200 3100. For full HMRC contact details and helpful links to online forms please go to the official HMRC contacts website https://www.gov.uk/government/organisations/hm-revenue-customs/contact.