Can I check my National Insurance number online?
Matthew Barrera
Updated on April 14, 2026
Also, how can I find my national insurance number online?
You can find your National Insurance number on your payslip, P60, or letters about tax, pensions and benefits. You can also find it through your personal tax account and download a confirmation letter. If you still cannot find it, you can either: fill in form CA5403 and send it to the address on the form.
Subsequently, question is, how do I get proof of my National Insurance number? Evidence of your National Insurance number can be one of these.
- P45 or P60.
- Letter from HM Revenue and Customs about tax or tax credit.
- Bank statements showing payments by direct debit for class-2 National Insurance contributions, or benefit payments received showing your NINo on the statement, for example, Incapacity Benefit or State Pension.
Thereof, how can I track my National Insurance number?
Currently, there is no online system available for the National Insurance Number application status check. However, the status of your application can be checked directly with the JobCentre Plus Office as described below.
What happens if I lost my National Insurance number?
If you have lost or forgotten your NI number, you can find it on your payslip, P60, or any letters sent to you by HMRC relating to tax, pensions and benefits. fill in and return form CA5403 to HMRC together with 2 identification documents. phone the National Insurance numbers helpline on 0300 200 3500.
Related Question Answers
How do I contact national insurance?
National Insurance Contact Number: 0300 200 3500 - Contact HMRC.Do I need a National Insurance number?
Why do I need a National Insurance Number? It helps HMRC make sure your tax and National Insurance (NI) contributions are recorded against your name. This is important because your entitlement to certain benefits, like the State Pension and Incapacity Benefit, depends on how much NI you've paid previously.How do I find my National Insurance Number UK?
Call the National Insurance number application line to ask for an application form. You'll need to return the form along with proof of your identity and your right to work or study in the UK. The letter that comes with your application form will tell you which documents you can use as proof.Can I check my National Insurance contributions?
You can check your National Insurance record online to see: what you've paid, up to the start of the current tax year (6 April 2020) any National Insurance credits you've received. if gaps in contributions or credits mean some years do not count towards your State Pension (they are not 'qualifying years')What do National Insurance numbers start with?
The format of the number is two prefix letters, six digits and one suffix letter. An example is QQ123456C. Neither of the first two letters can be D, F, I, Q, U or V.How do I pay voluntary National Insurance?
You may be able to pay Class 3 voluntary National Insurance to fill gaps in your contributions record to qualify for benefits like the State Pension.You can make same or next day payments:
- by online or telephone banking.
- by CHAPS.
- at your bank or building society, if it's still open.