Contact HM Revenue & Customs (HMRC) on 0300 200 3300 for general enquiries about Income Tax or, if calling from outside the UK, phone  +44 135 535 9022.

HMRC telephone lines are generally open between 8 am and 8 pm Monday to Friday and 8 am to 4 pm on Saturdays.


Income Tax

One of the HMRCs main responsibilities is the collection of income and corporation tax from individuals and businesses. If you have a query about your Income Tax then you can ring their general enquiries telephone number, below:

HMRC Income Tax General Enquiries Number – 0300 200 3300

Call this number to:

  • Query, or notify HMRC of an incorrect Income Tax code
  • Inform HMRC of a change of address or other personal details
  • Let HMRC know that you have paid too much, or too little, tax
  • Claim a tax refund

When calling HMRC they will ask your for you National Insurance Number (NINO) for the purposes of identification, they may ask you other secutity questions to such as your address, date of birth, etc. Be aware that the number above is associated with long waiting times.


Corporation Tax

If you have a query or question relating to your Corporation Tax then you should contact the HMRC Corporation Tax general enquiries telephone number.

Corporation Tax General Enquiries Number – 0300 200 3300

Reasons for calling this number include:

  • to report a change in address or other personal details
  • to find out when a company’s tax is due
  • to request tax forms


Self Assessment

When contacting HMRC to discuss your self assesment be sure to have both your National Insurance number and your Unique Tax Reference number (UTR) to hand as they will ask you to confirm these numbers before they deal with your enquiry. HMRC operate a number of self assessment telephone lines each dealing with a specific task. We have summarised these numbers in the table, below.

The HMRC self assessment telephone customer service team take calls between 8 am and 8 pm, Monday -Friday and between 8 am and 4 pm on Saturdays.


Subject of Enquiry UK contact number Outside the UK
General enquiries numbers 0300 200 3310 +44 161 931 9070
Order a Self Assessment form 0300 200 3610 +44 161 930 8445
Problems Logging on or registering online 0300 200 3600 +44 161 930 8445
Advice on paying tax 0300 200 3401 +44 150 647 6066
Change of Address and or Personal details 0300 200 3300 +44 135 535 9022
Business Payment Support Service 0300 200 3835 N/A
Self Assessment Payment Helpline 0300 200 3822 N/A
Greece Cashflow Helpine 0300 3308 100 N/A


Telephone Number for Employers

HMRC operate a number of telephone lines to assist and give advice to employers on a range of topics from maternity and paternity pay to Pay As You Earn and stakeholder pensions. If you are an employer with an enquiry about an aspect of your employees pay, worker rights and entitlements, or tax, then call the HMRC telephone line for employers, below:

HMRC telephone line for employers – 0300 200 3300

This telephone number is manned from 8 am to 8 pm, Monday to Friday, and on Saturdays between 8 am and 4pm. Be aware that lines get quite busy, so expect long waiting times.