how to link my number to nin
How to Connect NIN to SIM in Nigeria (Updated Guide for 2025)
Linking your National Identification Number (NIN) to your SIM card is compulsory in Nigeria. If you neglect this, your SIM may be blocked or face service interruptions, as mandated by the Federal Government via the NCC.
This guide provides straightforward methods to connect your NIN to your SIM using simple codes applicable to all major networks.
Reasons to Link Your NIN to Your SIM
• To adhere to NCC guidelines
• To avoid SIM deactivation
• To maintain seamless calls, SMS, and internet access
• To safeguard your line against fraud and identity theft
Requirements Before Linking
• Your 11-digit NIN
• A SIM card registered under your name
• A mobile phone with network coverage
Steps to Link NIN to SIM (For All Networks)
• MTN NIN Linking Code
Dial:
*785#
Follow the instructions and enter your NIN.
• Airtel NIN Linking Code
Dial:
*121#
Choose NIN Linking and input your NIN.
• Glo NIN Linking Code
Dial:
*109#
Input your NIN and submit.
• 9mobile NIN Linking Code
Dial:
*996#
Select NIN and provide your number.
Link NIN to SIM Online (Alternative Method)
You can also link through your network's official website:
• MTN NIN portal
•Airtel NIN portal
• Glo NIN portal
• 9mobile NIN portal
This method is beneficial if USSD codes are not functioning.
How to Verify if Your NIN Is Linked
After submitting your NIN:
• You will receive a confirmation SMS
• Alternatively, check with your network's customer care
• Some networks allow you to re-dial the code for status verification
Common Issues & Solutions
• Issue: USSD code not functioning
Solution: Retry later or use the online portal
• Issue: NIN was rejected
Solution: Ensure the name on your SIM matches the name on your NIN record
• Issue: SIM is already blocked
Solution: Visit your network service center with your NIN slip
Essential Tips
• Link all SIMs that are registered in your name
• Do not engage third-party agents requesting payment
• Linking your NIN is completely FREE
• Final Note
If you have not yet linked your NIN to your SIM, it’s advisable to do so promptly to prevent disconnection. The process is quick, free, and can be completed on your phone within minutes.

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