4 Quick Ways on How to Block Airtel SIM Card in Nigeria

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Losing your Airtel SIM card in Nigeria can be frustrating, but it’s not the end of the world. Whether it’s been stolen or misplaced, you can easily block your Airtel SIM card to prevent unauthorized access and misuse. 

In this article, you will guide you step by step on how to block your Airtel SIM card in Nigeria using various methods, using the Airtel customer care number, the Airtel self-care portal, and the Airtel mobile app. So, if you find yourself in a situation where you need to block your Airtel SIM card, don’t panic – read on to find out how!

How to Block Airtel SIM Card in Nigeria

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How to Block Airtel SIM Online

To block your Airtel SIM Online, you can mail [email protected] stating why you want to block your SIM with proof to show that you’re the actual owner of the SIM. The problem with this method is that it may take time for them to respond to your email and take necessary action. 

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Alternatively, go to the Airtel official website and find the social media buttons, then click on any of their social media buttons, chat with them on Facebook, Twitter, or Instagram, and wait to be connected to an agent. Once connected, request your SIM to be blocked and provide all the necessary information required.

How to Block Airtel SIM via Customer Care

To block your Airtel SIM using customer care, call the Airtel Customer care number 111 from your Airtel number or any Airtel number, then request the agent to block your number.


The customer care agent will ask for your Airtel number to verify the owner of the SIM you want to block. After confirming these details, your Airtel number will be blocked successfully.

How to Block Airtel Sim From Other Number

If you can’t access your Airtel SIM or another Airtel number,  dial +234 802 150 0111 from another phone or number to speak to an Airtel customer service agent and request the agent to block your Airtel SIM.

How to Block GLO SIM From Settings

To block your GLO sim card on Android or iOS, you can go to your phone settings and tap on security. Then tap “Set up SIM card lock” or “Lock SIM card” and enter your new PIN to lock your SIM. Change the default pin from “0000” or “1111” to something different.


This is useful in case of theft. What happens is that when your phone goes off, and the person tries to turn it back ON, your phone and SIM will be locked and request for a PIN before rebooting. The SIM will be locked if the person wants to use the SIM for unauthorized transactions.

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Frequently Asked Questions:

How Can I Block My Airtel SIM?

To block your Airtel SIM, contact Airtel customer support via their social media handles or call their toll-free number from an Airtel line or their designated customer care number from other numbers and request your SIM to be blocked. You can choose any of the options above to block your Airtel SIM.


Why Is My Airtel SIM Blocked?

There are several reasons why your Airtel SIM is blocked. If your line has been inactive for 3-6 months, the line can be blocked. Also, If an incorrect PIN is entered into your phone three consecutive times, your phone will become PIN blocked, and you will require your PUK code to unblock it.


How Do I Know if My Airtel SIM Is Deactivated?

If you want to know the status of your Airtel SIM card, you can either dial 121 and speak to the Airtel customer service representative or request a friend with an Airtel line to call on your behalf. That way, you can quickly determine whether your SIM card is working.


What Is the Difference Between Blocking and Locking a Sim Card?

Blocking a SIM card renders it unusable and prevents it from connecting to the network. Locking a SIM card means protecting it with a PIN code that must be entered before the SIM card can be used.


Losing an Airtel SIM card can be a painful and distressing experience, but blocking it can prevent unauthorized access and misuse. This article has guided you through the various methods of securing your Airtel SIM card, including using the Airtel customer care number, the Airtel social media, and more. 

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Additionally, it has provided instructions on how to lock your GLO SIM card from your phone settings. If you find yourself in a situation where you need to block your Airtel SIM card, don’t panic; follow the steps outlined in this article, and you’ll be good to go.