HMRC's provide information regarding tax credits,national insurance,income tax and others.
Income Tax Helpline 0300 200 3300
Open 8.00am - 8.00pm Monday - Friday
8.00am - 4.00pm Saturday
You can write to HMRC by using the postal address on the most recent correspondence from them.
If you don't have recent correspondence then write to:
HM Revenue & Customs
Pay As You Earn
PO Box 1970
If you want to complain to HMRC about the service you have received in relation to Pay As You Earn (PAYE), please clearly mark your letter as a complaint so we can direct it to a complaints handler quickly. Please send your complaint to:
HM Revenue and Customs
PAYE & Self Assessment Complaints Tier 1
PO Box 4372