How to Block USSD Code for GTB in 2023 (The Best Way)

USSD codes have revolutionized mobile banking, providing quick access to various banking services with just a few taps. However, there are times when you might want to block USSD codes, especially when it comes to securing your GTBank (GTB) account. In this article, I will show you how to block USSD Code for GTB (737), ensuring your financial transactions remain safe and sound.

How to Block USSD Code for GTB
How to Deactivate USSD Code for GTB

What are USSD Codes?

USSD codes, or Unstructured Supplementary Service Data codes, are short strings of numbers that allow you to interact with your bank’s servers through your mobile device. They’re widely used for activities like checking account balances, transferring funds, and paying bills, providing convenient access to banking services on the go.

Importance of Blocking USSD Codes

While USSD codes offer convenience, they can also pose security risks. Unauthorized access to your phone or even accidental taps could lead to unintended transactions. By blocking USSD codes, you can prevent such incidents and maintain better control over your account’s security.

If you need to block your GTBank account entirely, you may want to check our post on How to Block GTB Account Online, With Code, or SMS. Let us now explore how to deactivate USSD code for GTBank.

How to Block USSD Code for GTB

Blocking USSD codes on your GTB account is a straightforward process. Here’s how you can do it:

  1. Log in to your GTB Internet banking with either your email, UserID, phone number, or account number, and password
  2. Navigate to “Self Service” from menu and select “Account Switch-Off/On”
    Select Account Switch-Off-On from self service submenu
  3. Go down to USSD row, click “select option” and choose “disable”
  4. Set the date from and the date to (which determines how long the blocking will last)
  5. Scroll down to the end of the rows, answer your security and click on the submit button
  6. The system might prompt you to confirm the blocking of the USSD code. Confirm your action, and the code will be successfully blocked.
  7. To ensure the USSD code for GTB is blocked, you can attempt to use the code from your mobile device after 10 mins. You should receive a notification that the USSD code is blocked on your account.

Blocking USSD codes offers you enhanced control over your banking activities, keeping your account secure and tailored to your preferences.

Visiting a GTBank Branch:

If you prefer in-person assistance, you can visit a nearby GTBank branch. The bank’s staff will guide you through the process of blocking USSD codes and provide any necessary assistance.

Security Measures to Protect USSD Access

To ensure the security of your mobile banking and USSD transactions, consider these measures:

  • Keep your mobile device locked with a strong PIN or biometric authentication.
  • Avoid sharing your PIN, password, or any sensitive information.
  • Regularly update your mobile banking app and operating system.

Benefits of Blocking GTB USSD Code

Here are some of the benefits of blocking USSD code for GTB:

  • Enhanced Security: Prevent unauthorized access and potential fraudulent transactions.
  • Control: You decide when and how to use USSD codes, adding an extra layer of control.

Disadvantages of Blocking GTB USSD Code

Here are the downsides of blocking GTB USSD code:

  1. Limited Quick Transactions: When you block GTB USSD code, you’ll miss out on the speedy transactions like buying airtime or transferring money to others. These actions, which used to be fast and easy, will become more time-consuming.
  2. Slower Account Balance Checks: Blocking USSD code also means you can’t quickly check your account balance. Previously, a simple code would give you instant updates, but without it, you’ll need to find other ways to keep track of your funds.
  3. Restricted Account Access: By blocking USSD code, your account access options shrink. While you can still use the mobile app, ATM, or visit a bank, these methods might not be as convenient as the code. Your banking becomes less flexible and more tied to specific locations or tools.

Remember to consider these downsides alongside your reasons for blocking the codes. Balancing security with convenience is key to making the right choice for your banking needs.


Taking control of your financial security is paramount, and knowing how to block USSD code for GTB is a step in the right direction. By following the methods outlined in this article, you can safeguard your account and enjoy the benefits of mobile banking without unnecessary risks. Remember, it’s better to take preventive measures than to deal with the aftermath of unauthorized transactions. Stay secure, stay informed!