Linking your National Identification Number (NIN) to your MTN line is a straightforward process. Here are the different methods you can use:

Method 1: Using the USSD Code

1. Dial *785# on your MTN line.
2. Enter your 11-digit NIN when prompted.
3. Confirm and submit the details.
4. You will receive a message confirming that your NIN has been received and is being processed.

Method 2: Linking via SMS

1. Open your messaging app.
2. Send “NIN [your NIN]” to 785 (e.g., “NIN 12345678901”).
3. A confirmation message will be sent to you.

Method 3: Linking via the MyMTN App

1. Download and open the MyMTN App (available on Play Store & App Store).
2. Locate the NIN linking option.
3. Enter your MTN number and NIN.
4. Submit the details and wait for confirmation.

Method 4: Linking Online

1. Visit https://nin.mtn.ng/.
2. Enter your MTN number and NIN.
3. Follow the on-screen instructions and submit your details.

Method 5: Visiting an MTN Office

If none of the above methods work, you can visit any MTN office with your NIN slip, and an agent will assist you in linking it.