This information applies to England, Wales, Scotland and Northern Ireland
For general enquiries about Self Assessment, telephone HMRC on the Self Assessment Helpline, 0300 200 3310
Relay UK - if you can't hear or speak on the phone, you can type what you want to say: 18001 then 0300 200 3319
You can use Relay UK with an app or a textphone. There’s no extra charge to use it. Find out how to use Relay UK on the Relay UK website.
Your call is likely to be free of charge if you have a phone deal that includes free calls to landlines - find out more about calling 030 numbers.