Tax Credits Contact Number: 0345 300 3900

Phone HMRC on their tax credits contact number 0345 300 3900 to report a change in your circumstances, to calculate how much money you are entitled to and to complain about underpaid benefits.

Tax credits are a UK government benefit paid by Her Majesty’s Revenue and Customs (HMRC) to supplement working individuals who are on a low income, there is also an additional child tax credit benefit to support young people growing up in poorer families. You can contact HMRC on their tax credits helpline number 0345 300 3900 to make a new benefits claim over the telephone, however remember to submit accurate information otherwise you may have to pay back any overpaid tax credits (see the section below for details). Existing tax credits claimants should also call this helpline to report a change in their circumstances which may affect how much money they are entitled to, for instance if your income has increased beyond the threshold or you have moved home. Moreover you should call HMRC advisors to make a formal complaint if your tax credits payment is severely delayed or you have been underpaid so that they can send the money to you as swiftly as possible.

Calls to the HMRC tax credits contact number 0345 300 3900 will be charged at standard UK local rates which means you will pay your provider an access charge alongside a per-minute rate. Alternatively free inclusive minutes that are on your monthly phone contract or through your mobile pay as you go rewards package can be used to phone the tax credits department for free.


HMRC payment helpline – 0345 302 1429

Phone HMRC on their payments helpline number 0345 302 1429 to contact a representative if you have been overpaid on your tax credits and therefore have to pay the excess amount back to the government. You can pay over the phone via a one-off card payment or you can choose to pay your debt back in installments under a direct debit agreement.


HMRC phone numbers for tax credit claimants

Tax credit department Phone number
General enquiries and new claims 0345 300 3900
Pay back tax credit payments 0345 302 1429
Nominate an authorised agent 0345 300 3943
Phone HMRC tax credits from overseas +44 2890 538 192


Tax credits postal address

Claimants can send letters with general enquiries and complaints about their tax credit payments by posting to HMRC’s UK office address:

HM Revenue and Customs – Tax Credit Enquiries,
PR1 4AT,
United Kingdom.