How to find my lost National Insurance Number (NINO) or Apply for a new one

What is National Insurance – who needs it?

A National Insurance number (NINO) is the number given to you by the UK government to keep track of your tax record and benefit entitlements. The Department of Work & Pensions (DWP) (England, Scotland, and Wales) and the Department for Social Development (DSD – for Northern Ireland) will issue you a National Insurance number (NINO) just before your 16th birthday if your parents made child benefit claims. If your parents or guardians have not claimed child benefits, you must apply for a National Insurance number – if you intend to work in the UK.

Benefits of having NINo

If you have your NINO, you can:

Who can apply in the UK?

You are eligible to apply for NINO if you meet the following conditions:

What documents do I need to apply for NINO?

To apply for the National Insurance Number – you will need legal and personal identity verification documents.

Legal identity documents

You must have a valid UK address where your National Insurance Number will be sent – in addition to any of the following:

Proof of identity – uploading photos

While registering for NINO, you may have to take and upload digital photos that prove your identity. DWP may request you to take:

However, if you cannot prove your identity online, you may need to:

How to apply for National Insurance Number – step by step

The application process is divided into two – online application and final steps to follow before sending.

Online application

To apply for NINO:

NINo application

Have you applied for National Insurance before

Working or looking for work in the UK

Full name as shown in the identity documents

Previous names/maiden name

Gender

Nationality

Date of birth

If born in the UK

Date when first moved to the UK

Address

Request to send letters

Request to send email

Request phone number

Passport question

Biometric Residence Permit (BRP) Question

Can you upload digital photos

Upload photos

Upload necessary digital photos

Send application

Final steps of the application

These are the final steps:

1. Print form CA5400D PDF

You must print out and fill in the various fields in the form. It is also crucial to remember DWP’s guidelines on share codes:

2. Attach document photocopies

You should attach relevant documents depending on your circumstance:

3. Posting

You must then post the form with the attached documents to:

Glasgow NINo Centre

Mail Handling Site A

How long should I wait before I get my NINO after application?

You will most probably receive your National Insurance Number eight weeks after application. If you don’t get your number after eight weeks, contact DWP’s National Insurance application helpline via the numbers below.

How to contact the National Insurance application helpline

Depending on your country and preferred language, you can reach them through:

England, Scotland, and Wales – English

Telephone: 0800 141 2079

Textphone: 0800 141 2438

England, Scotland, and Wales – Welsh

Telephone: 0800 141 2349

Textphone: 0800 141 2438

Northern Ireland

Telephone: 0800 587 0024

Textphone: 0800 587 0194

I have lost my Number – should I apply for a new one?

You cannot apply for a new NINO if you already have one – even if your application details change. Instead, work on retrieving your old NINO (as discussed below).

How to spot it

When looking for your National Insurance, it is crucial to understand what you are searching for. Usually, the format of the number is:

For example, the number would read AC654321A.

Where to find your lost National Insurance number

You can find your National Insurance number in any of the following three ways:

On a document

You can find your National Insurance number on any of the following documents:

Online

To find your National Insurance number:

Personal tax account - NINO

NINO LETTER

Ask the National Insurance Enquiries helpline

If you check and still can’t find your NINO – you can:

Telephone: 0300 200 3500

Textphone: 0300 200 3519

Outside UK: +44 191 203 7010

After enquiry , they will post the number within 15 working days.

For further guidance and support, please contact us.

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