Tax code queries

We cannot answer questions about your tax code. If you think you are paying the wrong amount of tax, or if you think your tax code is wrong, you must contact HM Revenue & Customs (HMRC) direct, quoting your National Insurance number (if you have one).

Phone: 0300 200 3300
Textphone: 0300 200 3319
Outside UK: +44 135 535 9022
Opening times: 8am to 8pm, Monday to Friday 8am to 4pm, Saturday. Closed Sundays and bank holidays

Best time to call: Phone lines are less busy before 10am, Monday to Friday
Post: Pay As You Earn and Self Assessment HM Revenue & Customs, BX9 1AS, United Kingdom