Step-by-Step Guide to Checking if Your NIN is Successfully Linked to Your SIM

Since the NIN-SIM linkage became mandatory in Nigeria, many mobile users have linked their National Identification Number (NIN) but remain unsure whether it was successful. Luckily, each network provides a way to confirm.

Here’s a step-by-step guide for MTN, Airtel, Glo, and 9mobile subscribers.

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📌 Step 1: For MTN Users

• Dial *785#.
• Select “NIN Status.”
• If successfully linked, you’ll get a confirmation message.
• Alternatively, log in to https://mtnonline.com/nin.

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📌 Step 2: For Airtel Users

• Dial *121*1#.
• Choose the option for NIN verification.
• You’ll receive an SMS stating whether your NIN has been linked.
• Or check via https://www.airtel.com.ng/nin.

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📌 Step 3: For Glo (Globacom) Users

• Dial *109*yourNIN# (e.g., *109*12345678901#).
• You’ll receive a reply confirming your NIN linkage status.
• You can also verify at https://www.gloworld.com/ng/nin.

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📌 Step 4: For 9mobile Users

• Dial *200*8#.
• Follow the prompt to check if your NIN is linked.
• Or visit https://9mobile.com.ng/nin.

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📌 Step 5: Visit Customer Care if Unsure

If your NIN is not linked or you still face issues:

• Visit the nearest customer service centre of your provider.
• Go with your NIN slip and a valid ID for manual verification.

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✅ Final Tips

• Always confirm after linking to avoid SIM disconnection.
• Keep your NIN details consistent across all services (banks, telecoms, BVN).
• If you changed your SIM or had errors during linkage, repeat the process.
• Linking is free and compulsory for all SIM cards.