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HMRC internal manual

Self Assessment Manual

Manage work: customer service: SA helpline

The SA Helpline is a national telephone service providing help, advice and information on a wide range of SA enquiries for taxpayers, agents and employers.

The main help provided includes advice on

  • Tax return completion
  • Statement and calculation queries
  • Interest, penalties and surcharges
  • General tax matters

The service is available evenings and weekends, every day of the year except 25 and 26 December and 1 January, at a cost of a local rate call.

The contact numbers are

Telephone: 0300 200 3310

International callers: 44 870 1555 445