How to Block GTBank Account with USSD Code & from Another Phone online

How to Block GTBank Account with USSD Code & from Another Phone

Without going to the bank, you can block your GTBank account in Nigeria with the USSD code and other online methods. Such as when the phone (or ATM debit card) is stolen or missing

Block your GTBank account on your phone or another number easily. Block the account with the USSD code *737*51*74# on Airtel, Mtn, Glo and 9 mobile networks. Or, deactivate it online by using the mobile app or internet banking instantly. You can do these without stress; without visiting a GTBank branch.

Therefore, find out in this post how to use any of these options and other helpful topics

Block GTBank account

Using your GTBank account on your phone, without going to bank, is cool. You pay bills, send money to another bank, and check your account balance. However, it exposes you to scams and fraud.

There are reasons why you should block your GTBank account. If your phone is stolen or missing, you should block your account quickly. If you suspect your GT Bank account is compromised, deactivate it temporarily. Don’t need the USSD banking on your phone anymore? block it permanently.

In addition, if your ATM debit card is stolen or missing, you can deactivate your GTBank account. However, it is better to block your GTBank ATM debit card and not your account.

Blocking your GTBank account secure your money. It prevents scammers and account fraud. For instance, from your GT Bank account, no one can transfer or withdraw money. Especially, when someone has your phone and knows your GTBank 4-digit USSD PIN.

How to Block GTBank Account from Another Phone

if your phone is stolen, for instance, you can deactivate the GTBank account using another phone number.

Here is how to block GTBank account from another phone number:

  1. Dial *737*51*74# on another phone number. 
  2. Enter the phone number linked to your GTBank account.
  3. Enter your 4-digit USSD PIN

This GTBank code to restrict your account *737*51*74# works on all networks in Nigeria. It works on Airtel, Mtn, Glo and 9 mobile networks. And stops unauthorised transactions such as withdrawing your money.

Read: How to Block GTBank ATM Debit Card

USSD Code to Block GTBank Account on Your Phone

You may need to block your GTBank account. Not because you lost your phone or stolen it but to prevent unwanted banking transactions on your phone.

Follow these steps to block GTBank account on phone:

  1. Dial *737*51*74# on your phone
  2. Enter the phone number linked to your GTBank account.
  3. Enter your 4-digit USSD PIN
  4. Lastly, receive a message to confirm the GTBank account is blocked. 

Following these steps will deactivate your GTBank account permanently or temporarily. Without going to the bank, you will block your account. This restricts someone from accessing your account; not even scammers. Such as when you lost or misplaced your ATM debit card.

How to Block GTBank Account on Mobile App

Do you need to block your GTBank online? close it with the mobile app. No need to visit the bank branch when you have the GTWorld app. On your phone, launch the app and follow the instruction below.

Here is how to Block GTBank Account online with mobile app:

  • Open GTWorld mobile app
  • Select Settings to & Help in the Menu
  • Next, select the Help option.
  • Select Unlock Account
  • Scroll down to the account hotlist request
  • Select the Account number you want to block
  • Enter the reason for hotlisting the account
  • Enter your Account’s secret answer and password/token and click continue and click submit.

Of course, if your phone number is stolen/missing, you cannot use this method. Another online method to close your GTBank account is internet banking.

How to Block GTBank Account Online

To block your GTBank account online, use Internet banking. Even if your phone is stolen or missing, access the GTB internet banking from another phone or computer to close it.

How to Block GTBank Account online on Internet banking:

  1. Login to GTBank internet banking platform
  2. Select Self-Service from the Menu
  3. Select the Account Switch off/on option
  4. On the next page choose one option:
    • ALL
    • Internet Banking
    • GTWorld
    • Mobile Banking
    • USSD
    • IVR
    • ATM/POS
  5. Enter the Date From and Date To 
  6. Answer the secret question
  7. Click the submit button to block the GTB account.

On the Internet banking platform, no need to block all GTBank channels. Only block the channels you don’t want or the compromised channel. So, you can deactivate your GTBank account on USSD, mobile banking or ATM/POS channels.

Blocking the GTBank account is temporary; it depends on the specific date you choose. You choose this in the “Date From” and “Date To” sections.

GTBank Customer Care 

GTBank has various customer care units to resolve complaints or enquiries. So you can choose whichever is convenient for you to block the account or report fraud.

Here are the GTBank customer care channels to block your account:

  1. GT Bank Customer Care Number: +234 700 4826 66328, +234 1 448 0000, +234 802 900 2900, and +234 803 900 3900.
  2. Facebook: Guanranty Trust
  3. Twitter: @gtbank
  4. GT Bank WhatsApp Number: 0904 000 2900
  5. Email:
  6. Guaranty Trust Physical Bank: Visit the customer care unit. 

Can a Scammer Block Your Bank Account? 

A scammer can block your bank account if he has the required information. A fraudster that knows your account number, phone number and USSD PIN can access GTBank account, withdraw money and block it. Hence, be careful who you share your bank details with.

Therefore, keep your banking details private to prevent scammers from transferring your money. Secure details like your USSD PIN, ATM card details (number, expiry date, CVV), ATM PIN, token code and password.

GTBank will never ask for your PIN code and so you should not give it out to someone claiming to be from the bank.

Can a Blocked Account Receive Money? 

A blocked account can receive money. When you block your GTBank account, you restrict all debit transactions. No one can withdraw your money, or transfer the money. Not even ATM/POS transactions.

You will be receiving money when you block your GTBank account. People can send money to your account. GTBank only blocks debit transactions, not credit transactions in your account.

But if you close your GTBank account permanently, you cannot receive money in the account. You are no more a GTBank account holder when you close your account.


In summary, the USSD code to *737*51*74# block your GTBank account. This will stop unauthorised transactions thereby preventing scammers from taking money from your account.

Another option to deactivate your GTBank account is by contacting customer care or visiting any GTBank branch. Of course, these two methods are not as quick as dialling the USSD code. But one of these options can be the best move in a certain scenario.

I hope you find this information helpful.

Therefore, try it and let me know your experience by leaving a message in the comment section below.

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