HMRC Self Employed Contact Details

On this page you will find information about:

National Insurance Self-Employed Phone Numbers

  • National Insurance Self-Employed helpline:
    0300 200 3500

  • Deaf, hearing or speech impaired textphone:
    0300 200 3519

National Insurance Office for the Self-Employed Opening Times

  • Office opening times are:

    Monday to Saturday: 8.00am to 10.00pm
    Sunday: 9.00am to 10.00pm
    Closed: Christmas Day, Boxing Day, New Year’s Day and Bank Holidays

National Insurance Office Address

  • The National Insurance Office main postal address is:

    PT Operations North East England
    HM Revenue and Customs
    BX9 1AN
    United Kingdom

For further Tax Contacts, please follow the links below: