You can get these answers on our self-serve digital channels. HMRC’s Agent Dedicated Line is 0300 200 3311. You cannot use the helpline to check progress or ask about tax and employment history. Before calling the agent dedicated line, you can check ...
The telephone number is:0300 200 3887 Opening times are 8am to 8pm Monday to Friday. For Self Assessment and Tax Credit queries, lines are also open from 8am to 4pm on Saturday and Sunday.