To pay your tax and national insurance bill, use this link...

https://www.gov.uk/pay-self-assessment-tax-bill

National Insurance: general enquiries

Online - Link here.

Call the number below if you have not received your National Insurance number or have lost or forgotten it.

You can also call for help and information about:

• Class 1 National Insurance rates and thresholds
• Class 2 and 3 National Insurance
• Statutory Payments
• Married Women’s Reduced Rate Election
• National Insurance statement requests
• employment histories
• Parents and Carers credits
• gaps in your National Insurance contributions
• Have your National Insurance number with you, if you have one.

HMRC Self-employment support: 0300 200 3500

Phone line opening hours are:

Monday to Friday: 8am to 6pm Closed on Saturdays, Sundays and Bank Holidays.

Voluntary National Insurance

https://www.gov.uk/voluntary-national-insurance-contributions