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If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
Online help and support
You can also watch videos and join webinars for help with Self Assessment.
- Telephone: 0300 200 3310
- Textphone: 0300 200 3319
- Outside UK: +44 161 931 9070
Call HMRC for advice on Self Assessment.
If you have a National Insurance number and Self Assessment Unique Taxpayer Reference (UTR) have them with you when you phone.
8am to 8pm, Monday to Friday
8am to 4pm Saturday
Closed Sundays, Christmas Day, Boxing Day and New Year’s Day