HMRC Self Assessment contact number
The Self Assessment line covers registrations, returns, statements and payments. For login problems or error messages when filing online, use the online services helpdesk instead.
Checked against gov.uk on 7 September 2026
Self Assessment enquiriesLocal rate
Other ways to call
From outside the UK: +44 161 931 9070
Best time to call
January is the worst month by far, with waits climbing as the 31 January deadline approaches. If your question can wait until February, it should. Within any week, early morning beats lunchtime.
Have this ready before you call
- Your Unique Taxpayer Reference (UTR)
- Your National Insurance number
- The tax year you are calling about
If the line is closed
- Your online Self Assessment account shows statements, payments on account and your UTR
- HMRC's digital assistant handles common Self Assessment questions at any hour
Common questions
How much does the Self Assessment line cost?
0300 200 3310 is a standard-rate number: the same price as calling a 01 or 02 landline, and inside inclusive minutes on almost all plans.
I cannot log in to file my return. Is this the right line?
No. Username, password and error message problems go to the online services helpdesk on 0300 200 3600.
Can I sort most things without phoning?
Usually. Your personal tax account on gov.uk shows statements, payments on account and your UTR, and HMRC's digital assistant answers common questions without a queue.