How To Check NIN Number on MTN, Glo, Airtel, 9mobile & Online 2025

Are you looking for how to check your NIN number on MTN, Glo, Airtel, or 9mobile? Whether you misplaced your NIN slip, forgot your number, or need it urgently for SIM registration or BVN linking, this complete guide has you covered.

We’ve compiled the easiest and fastest ways to check your National Identification Number (NIN) using your mobile phone and online platforms — all methods updated for 2025.

What is NIN?

The Nigeria National Identification Number (NIN) is a unique 11-digit number issued by the National Identity Management Commission (NIMC) to Nigerian citizens and residents. It’s a vital requirement for mobile phone SIM registration, banking, and other government services.

1. How To Check NIN Number on MTN

To check your NIN on MTN, follow these steps:

Using USSD Code (No Data Needed)

1. Dial *346# on your MTN line.

2. Select “1” to retrieve your NIN.

3. Your NIN will be displayed on your screen.

Note: ₦20 will be charged for the service. Make sure you have enough airtime.

2. How To Check NIN on Glo

Glo subscribers can also retrieve their NIN using the universal code:

1. Dial *346# on your Glo SIM.

2. Select “1” to view your NIN.

3. Your 11-digit NIN will appear on your screen.

Ensure the number you’re using is the one linked during NIN enrollment.

3. How To Check NIN Number on Airtel

To check your NIN on Airtel:

1. Simply dial *346#.

2. Choose the option to “Retrieve NIN.”

3. Your NIN will be shown immediately.

 You’ll be charged ₦20, just like other networks.

4. How To Check NIN on 9mobile

If you’re a 9mobile user:

1. Dial *346# on your 9mobile line.

2. Select the retrieve option.

3. Your NIN will pop up if the line is linked.

🛑 If not linked, you’ll receive an error or a prompt to link your NIN.

5. How To Check NIN Number Online in Nigeria

Currently, NIMC does not provide a direct online portal to check your NIN, but you can retrieve it using the NIMC Mobile App:

Steps To Use NIMC Mobile ID App:

1. Download the “MWS: NIMC Mobile ID” app from Google Play Store or Apple Store.

2. Log in using your NIN and mobile number.

3. Once verified, your NIN will be displayed in the app.

This method is free and secure.

Important Tips

• Your SIM must be linked to your NIN for USSD retrieval to work.

• To link your NIN to your SIM, visit your network’s service center or use their online portal.

• Always keep your NIN safe, as it is tied to your personal and financial identity.

Why You Should Check and Link Your NIN

Due to the Nigerian Communications Commission (NCC) directive, unlinked SIMs may be blocked from making calls or accessing data. By checking and linking your NIN:

• You avoid SIM deactivation.

• You stay compliant with federal regulations.

• You gain access to services like banking, voter registration, and passport renewal.

FAQs – How to Check NIN on MTN and Other Networks

Can I check my NIN without a SIM?

• No, you need the phone number linked to your NIN during registration.

Is it free to check NIN on MTN?

• No, a service fee of ₦20 is deducted from your airtime.

What if I get “NIN not available”?

• Visit a NIMC enrollment center or call your network’s customer care to resolve the issue.

Final Thoughts

Now you know how to check your NIN number on MTN, Glo, Airtel, 9mobile, and via the NIMC Mobile App. This guide ensures you’re never stuck or delayed due to NIN issues.

For smooth mobile service, link your NIN today and keep your 11-digit number handy!