Call HMRC for help with your deferred National Insurance contribution payments.
0300 200 3500
+44 191 203 7010
8am to 8pm, Monday to Friday
8am to 4pm Saturday
Closed Sundays and bank holidays
Write to HMRC to pay your deferred National Insurance, or for help with deferred National Insurance contribution payments.
National Insurance Contributions and Employer Office
HM Revenue and Customs