- Airtel: Dial *121# and enter your eleven-digit NIN. A confirmation message will indicate that your Airtel SIM card has been successfully unbarred.
- 9mobile (EMTS): Dial *200*8#.
- Glo: Dial 109 followed by your NIN number (e.g., *109*12345678901#) and follow the prompts to submit your NIN.
- MTN: Visit [nin.mtn.ng](http://nin.mtn.ng) to check NIN status. If not linked, proceed to link it. An OTP and NIN will be required. Once linked, your line will be automatically unbarred.
- Smile: Send your NIN to [email protected] or call 07020444444. After providing consent and verifying your NIN, your line will be unbarred.
- Spectranet: Call 8002345678 or email [email protected] to submit your NIN. KYC verification at a Spectranet store is required. You can also submit your NIN online but must complete KYC at a Spectranet store.
- Ntel: Visit any Ntel store with your NIN. Your fingerprint will be used to verify your existing KYC profile. Upon verification and consent, your line will be updated and unbarred.