7. Change of circumstance

If your address or name changes or you get married or enter a civil partnership you must contact HMRC.

If you start or stop self-employment you need to contact HMRC and let them know.

HMRC National Insurance line
Telephone: 0300 200 3505
Textphone: 0300 200 3519
Monday to Friday, 8:30am to 5pm
Find out about call charges