If you’re a 9mobile user and haven’t linked your line to your NIN yet, it’s imperative to take care of it now to avoid service disruptions.
The Nigerian government has made it mandatory to link all SIM cards with a valid National Identification Number (NIN). Failure to do so means your line could get blocked — no calls, no internet.
To avoid this, 9mobile has made it possible for users to link their NIN from the comfort of their phones — no need to stand in line at a service center.
This guide will walk you through the process and answer common questions about NIN linking in 2025.
Before starting the linking process, first check if your NIN is already linked. Many people completed the process when it began in 2020 and may not remember doing so.
To verify your NIN status on your 9mobile line:
If it’s not linked, here are two easy ways to get it done:
The USSD option is one of the easiest methods to link your NIN to your 9Mobile SIM card. It works on all phones and doesn’t require internet access. In 2025, you’ll need to generate a tokenized version of your actual NIN, Virtual NIN (vNIN), before linking.
Note that it costs N20 to generate a vNIN.
It costs ₦20 to generate a vNIN, and you’ll receive a unique 16-digit code.
That’s it. You’ve successfully linked your NIN using USSD.
For those who prefer using an app, an alternative is the National Identity Management Commission (NIMC) mobile application that allows you to link your NIN to up to seven phone numbers without visiting a physical office. Talk about convenience.
Once verified, your NIN will be linked to your line. It’s that simple.
Related Post: How To Transfer Data on MTN in 2025
The NCC mandates that all SIM cards in Nigeria be linked to a NIN. The purpose of this is to help curb fraud and improve national security. If you don’t link your line, you risk getting blocked.
This directive applies to all network users, not just 9mobile. MTN, GLO, and AIRTEL users are also required to comply.
You only need your 11-digit NIN. No extra documents are required.
Yes. You can link your NIN to several phone numbers registered under your name, one at a time.
Your line might be restricted or completely barred from making calls, using data, and purchasing airtime.Â
If you’re unable to link your NIN via USSD or the app, visit any 9Mobile service center with your NIN or contact 9Mobile customer care for further assistance. Their staff will help you link it without hassle.
The process is usually instant, but in some cases, it may take up to 24 to 48 hours after submission.
To keep your 9mobile line active in 2025, linking your NIN is a must. Thankfully, the process is now much easier with options like USSD and the NIMC app.
By following the steps above, you can complete your NIN linking in just a few minutes — no queues, no stress.
Got more lines? Repeat the process for each one. It’s quick, and it’ll save you from any service interruptions.
Ifeoluwa
When Ife isn't reading or writing content, she's laughing at a tweet or burning her data on Netflix. Working hard and playing hard. 😉
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