Stolen or lost phone? Don’t panic, this article will guide you on how to block your MTN SIM card in a matter of minutes without having to spend a dime.
Phone thieves often target personal information after stealing a phone. They’ll try to access your passwords, banking and investment apps, social media and email accounts, and can even take loans in your name.
Blocking your SIM card will not only protect you, but also your friends and family as they can be targets of phishing scams and so on.
But the good news is, there are many ways you can go about blocking your SIM card without having to spend money or much time.

1. HOW TO BLOCK MTN SIM CARD FROM ANOTHER PHONE
This is probably the fastest way of blocking your MTN SIM card if it’s lost or stolen, as you can easily lay your hands on a friend’s phone more quickly.
However, it is important to note that there is no code to simply dial and block a stolen MTN SIM card, because blocking a stolen or lost line is a delicate issue that should only be handled by them.
But here’s how you can block a SIM card using another person’s phone:
a) Call the MTN customer care line:
Using another MTN phone number, call the MTN customer care line via 300 or 080310300 via a Non-MTN number.
Follow the Interactive Voice Response system and you’ll be able to a speak with a customer care representative who will now help you block the stolen or lost number.

b) Email your complaint to this MTN customer care email customercare.ng@mtn.com

c) Drop your complain via their social media handles and you’ll quickly be attended to
via their customer care representatives.
This is likely the fastest way of blocking your stolen or lost phone in a matter of minutes.
These are their official social media handles: facebook and twitter. Note, if you’re using the whatsapp option, you’re most likely to be replied by a bot.

d) Lastly, visit any MTN authorised shop or outlet around you. They’ll easily resolve everything for you though with a little change.

2. HOW TO BLOCK MTN SIM CARD ONLINE
Concerned with the safety of your personal information in the case of a lost or stolen phone and you want to block it online?
Blocking your stolen or lost SIM card online is quite easy, however, you’ll need to backup your claim with evidence that you’re the rightful owner.
To block an MTN SIM card online:
a) Visit the MTN OFFICIAL WEBSITE, navigate to the footer and click on any of the social icons (Facebook, Instagram, or X). Go to their official handles and you’ll be quickly attended to.
b) Email their customer service via customercare.ng@mtn.com and lay you complain. However, this may likely take longer compared to their social media option.

KEY NOTES
The risks of what can be done with your stolen MTN sim card is endless: unauthorized purchases using your linked credit cards; accessing your passwords and login information for your various accounts; running phishing scams targeting your friends and family, etc.
Therefore, it is essential to be extra careful in the case of stolen SIM cards or lost phones.
While blocking a SIM card is cool and easy to do, having a SIM card lock is cooler. Thus, try having a SIM card lock and not just a phone lock.
Finally, in case you’re wondering, what is the code to block MTN number? Note that, there is no code for such except you want to block a number from calling you.
Hope this helped?