Addresses, phone numbers and email addresses for Revenue public offices and If you do not reside in the Republic of Ireland, you can access a list of contact. Contact the relevant HM Revenue and Customs (HMRC) helpline if you're unhappy with the service you've received. HMRC has guidance about how they'll Income Tax: general enquiries · Self Assessment · HMRC online services. Send tax credit renewal forms to this address: HM Revenue and Customs - Tax Credit Office Comben House Farriers Way Netherton L75 1AX United Kingdom. Phone lines are usually less busy Tuesday to Thursday between 8. You can use Twitter to get general help from HMRC. They are currently being translated into Irish and will be available before the end of Importing vehicles, duty-free allowances, reliefs and online shopping Duty-free allowances, reliefs, taxes and duties on importing or registering vehicles, buying from abroad. HM Revenue and Customs - Tax Credit Office Liverpool L75 1AZ United Kingdom. Large Cases Division Phone: We list below some frequently sought Revenue contact details: Get help dealing with HMRC if you have additional needs. Contact HMRC for advice on National Insurance and healthcare if you're under State Pension age and live or work abroad. Please note that some sections of the site are currently only available in English. Find out what you need to know about tax when starting work. Contact HMRC for help on whether you're eligible to register for the Liechtenstein disclosure facility.