How to Block GTBank Account and ATM Card: In today’s digital world, it’s very important to keep your bank account safe. If your card is lost or stolen, or if something strange happens with your GTBank account, you need to act fast to protect your money and personal information.
Luckily, GTBank makes it easy for you to lock and unlock your account, which gives you control and keeps your money safe.

In this post, we will explain the step-by-step process of how to block and unblock your GTBank account and ATM card. This will help you keep your money safe and secure. Let’s get started and learn how to block your GTBank account.
How to Block GTBank Account/ATM Card
You can use any of the following techniques to secure your account and avoid money theft in the event that you lose your ATM card or SIM that is linked to your bank account:
- Via Internet Banking
- Via Customer support
- Via USSD Code
- Via GTBank Mobile App
Let’s take each step one after the other:
How to Block GTBank Account/ATM Card Via Internet Banking
To block your GTBank ATM card using Internet banking, please follow these steps:
- Go to the GTBank website and log in to your account using your username and password.
- From the dashboard, select the “Cards” option.
- Choose the ATM card you want to block.
- Click on the “Block Card” option.
- Confirm the action by entering your internet banking PIN or password.
If you want to unblock the card later, you can do so by selecting the “Unblock Card” option.
How to Block GTBank Account/ATM Card via Customer Support
Another quick and easy way to block your GTBank account is by calling customer care. To do this, follow the steps below:
- Open the call app on your smartphone
- Simply dial the GTBank customer care lines: +234700482666328, +23414480000. These lines are always available 24/7.
You will need to provide your account number, card number, and other relevant information to verify your identity.
How to Block GTBank ATM Card via USSD Code
The code to block your ATM card is *737# but there are steps you must follow carefully to block your ATM card account.
- Dial the GTBank USSD code *737*51*74# on your mobile phone.
- You will be required to provide the phone number you used in registering the Account.
- Confirm blocking of the USSD code or the account.
- Enter USSD 4-digit PIN.
How to Block GTBank Account/ATM Card via GTBank Mobile
Follow the steps below to block your GTBank account/ATM card:
- Download the GTBank mobile app on the Apple Store or Google Play Store and log in to the app. If you have the app already, launch the app and proceed with the next step.
- Log in to your account using your username and password or biometric authentication.
- From the home screen, select the “Cards” option.
- Select the ATM card you want to block.
- Click on the “Block Card” option.
- Confirm the action by clicking on “Yes.”
If you want to unblock the card later, you can do so by selecting the “Unblock Card” option.
How to Block My GTBank ATM Card from Another Phone
Sometimes losing personal items like your phone is why you wish to block your ATM card. So, the quickest course of action would be to disable your ATM card from a different phone.
To block your GTBank ATM Card with another phone, kindly contact these numbers; +234700482666328, and +23414480000 with another phone. Of course, you will be asked some questions and if you are the owner of the account, you will know the answers to them.
Or simply quickly head to the nearest GTBank to let them know you have lost your ATM card and you wish to block/deactivate it.
Now you can use any of the methods above to block your GTBank account/ATM card.
Check this: How to check BVN on GTB
Frequently Asked Questions
What is the code for GTB account blocking?
The code to block the GTBank ATM card is *737*51*74#. When you dial this code into your phone, you will be asked for the phone number you used to register the account. This will lock your account and prevent you or anyone from using your card. Note: This service attracts a small charge.
How do I check my blocked money on GTB?
Internet Banking
Log on to Internet Banking with your User ID/Email and password.
Click Cards > View Block Funds.
Is there a fee to block my GTBank ATM card?
Generally, there is no fee to block your GTBank ATM card. GTBank prioritizes your account’s security, and blocking a card under these circumstances is usually free of charge.
How long does it take to block my GTBank ATM card?
GTBank typically blocks a lost or stolen ATM card as soon as you report it. They will do it immediately to prevent any use of the card by the third party.
Dynablog’s conclusion
Blocking your GTBank account and ATM card is crucial if your ATM card is lost or stolen, or if there are any suspicious activities on your GTBank account. This helps keep your money and personal information safe. GTBank provides an easy process to do this.
You can follow the methods described above to block your GTBank account and ATM card.

Meet RASHEED FARUQ ADEYEMI, a Student of University of Ilorin, Department of Water Resources and Environmental Engineering. Beyond that professional pursuit, he’s a professional writer who finds solace and joy in solving people’s problems through the art of writing. Through this platform, he aspires to share their knowledge, experiences, and insights, connecting with like-minded individuals and leaving a positive impact on their audience.
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