In today’s Nigeria, your National Identification Number (NIN) is just as important as your phone number. Whether you need it for SIM registration, bank verification (BVN), international passport, or JAMB registration, having your NIN at your fingertips is essential.
If you’ve misplaced your NIN slip, forgotten the number, or need it urgently, don’t worry — this updated 2025 guide walks you through how to check your NIN number on MTN, Glo, Airtel, and 9mobile, plus online alternatives.
What Is NIN and Why Is It Important?
The National Identification Number (NIN) is an 11-digit unique number issued by Nigeria’s National Identity Management Commission (NIMC) to every citizen or legal resident.
It’s used to:
- Register SIM cards and mobile lines.
- Open and verify bank accounts (BVN).
- Process voter’s cards, driver’s licenses, and international passports.
- Access government social programs and benefits.
- Serve as a foundational identity for digital services in Nigeria.
Without a valid NIN, many essential services will be out of reach.
READ MORE: New USSD Code for Airtel Night Data Plan (Latest Guide)
How To Check NIN Number on MTN (2025 Method)
MTN subscribers can retrieve their NIN using a simple USSD code — no internet required.
Steps:
- Dial
*346#on your MTN line. - Select “1: NIN Retrieval” from the options.
- Your 11-digit NIN will appear on your screen.
Cost: ₦20 (Ensure you have airtime.)
How To Check NIN Number on Glo
Globacom users can also use the same USSD method. Just ensure you’re dialing from the number registered during NIN enrollment.
Steps:
- Dial
*346#on your Glo SIM. - Choose “1: NIN Retrieval.”
- Your NIN will be displayed.
Tip: Make sure your Glo line is the one linked to your NIN record.
How To Check NIN Number on Airtel
Just like with MTN and Glo, the process is quick and straightforward for Airtel subscribers.
Steps:
- Dial
*346#on your Airtel line. - Choose the NIN retrieval option.
- Your NIN will pop up on your screen.
Fee: ₦20 service charge applies.
How To Check NIN Number on 9mobile
9mobile (formerly Etisalat) also supports USSD-based NIN checks.
Steps:
- Dial
*346#on your 9mobile line. - Choose the retrieve option.
- Your NIN will appear if it’s already linked.
If not linked, you’ll receive a message like “NIN not available.” You’ll then need to visit a 9mobile center or a NIMC enrollment point to update your record.
READ ALSO: List of Airtel Tariff Plans and Migration Codes
How To Check Your NIN Online in Nigeria (Via Mobile App)
Currently, NIMC does not offer a public online portal to check your NIN directly, but you can retrieve your NIN through the official NIMC Mobile App.
How To Use the NIMC Mobile ID App:
- Download “MWS: NIMC Mobile ID” from the Google Play Store or Apple App Store.
- Open the app and register using your mobile number and NIN (if previously enrolled).
- Once verified, your NIN will appear on your digital ID dashboard.
Benefits:
- Safe and secure.
- Free to use.
- Allows easy access to your digital identity and credentials.
Important Tips for NIN Retrieval and Linking
- Only use the SIM linked to your NIN when dialing
*346#. - Always save or screenshot your NIN once it is retrieved.
- If you’ve lost the phone number used during NIN registration, visit a NIMC office to update your record.
- Avoid using agents or third-party vendors that may scam or misuse your data.
- Link your NIN to all mobile lines to prevent disconnection.
Why You Must Link Your NIN to Your SIM in 2025
According to the Nigerian Communications Commission (NCC), SIM cards not linked to NIN will be barred from making calls, sending SMS, or using data.
By checking and linking your NIN:
- You avoid SIM deactivation or being cut off.
- You stay compliant with federal laws.
- You gain access to critical services like banking, health insurance, and passports.
Frequently Asked Questions (FAQs)
Can I check my NIN without the linked phone number?
No. You must dial *346# from the phone number linked to your NIN during registration.
Is it free to check my NIN?
No. A ₦20 fee is charged each time you check via USSD.
What do I do if I see “NIN not available”?
This means your SIM is not yet linked. Visit a NIMC center or your mobile provider’s office to update your record.
Can I use someone else’s phone to check my NIN?
Only if their SIM was used to register your NIN — otherwise, it won’t work.
Final Thoughts: Stay Connected, Stay Compliant
Your NIN is now your identity — digitally and legally. Make sure you know it, store it, and link it to your mobile number(s).
In summary:
- Use *346# for quick USSD checks.
- Use the NIMC app for digital access.
- Always keep your NIN safe and confidential.
Don’t wait until your SIM gets barred. Check your NIN today and stay connected.
