How to block your lost bank ATM card in Nigeria (2023)

n this article, we are going to show you how to Block Bank ATM cards in Nigeria for the various banks. Nowadays, debit card scams are common. With little information about your debit card, scammers may effortlessly wipe away the whole balance on your account. Furthermore, if they get their hands on your Debit card, they can use it to purchase online without your knowledge.

As a result, it is critical to block your debit card using your mobile phone as soon as you discover any fraudulent activity on your account.

If you’ve lost or misplaced your ATM card and are concerned about the money in your bank account, you can block it immediately from your phone in a matter of seconds.

The simple procedure all banks have in common is to block your ATM Card without going to the bank:

  • Contact Bank: The fastest way to block your card is to contact your bank immediately across their platforms.
  • Email: you can visit the official Bank website and get their email.
  • Mobile App: Open the mobile app – Navigate to any ATM card option – Manage Cards – Block (Choose account or ATM card to block) – Enter PIN/Token – Block Card.

How to Block First Bank ATM Card

It is easy to block your first bank ATM card. Pick up your phone, ensure that the SIM card you registered with First Bank is in it, then text “BLOCK” to 30012. Your ATM card will be blocked within 24 hours, and you will be unable to withdraw or make payments with it again. You must now visit any First Bank location to obtain a new ATM card.

How to Block Zenith Bank ATM Card

To deactivate your Zenith Bank ATM card, you must first download their mobile app.

  • Sign in to the app.
  • Select Cards from the menu bar.
  • You will be provided with a list of card types (Debit, Credit, Prepaid)
  • Click on the card you want to deactivate then enter your app authentication code.
  • After that, your ATM card will be deactivated.

If you want additional assistance, please contact them by phone at the following numbers: 012787000, 014647000, and 012927000.

How to Block GT Bank ATM Card

You can deactivate your GTB ATM card via ATMs, the Online banking app, the mobile app, SMS banking, or the GTWorld app.

Send HOTLIST NUBAN to 08076665555 from your registered mobile number with the bank to block your GTB ATM card by SMS. Replaced the NUBAN with the last 10 digits of your card’s account number.

You may also contact GTConnect via the following numbers. To request that your ATM card be deactivated immediately, call 0700GTConnect (0700482666328), 01-4480000, 08039003900, or 08029002900.

Another option is to log into your online banking account and manually disable your ATM by following the procedures outlined below.

  • Click the Cards icon, followed by the Card hotlist link.
  • Choose a card number and a reason for your request.
  • Enter the answer to your secret question.
  • Now, click Continue and enter the token-generated code before clicking Submit.
  • A pop-up screen will display, requesting confirmation of the deactivation of your ATM card.

How to Block Fidelity Bank ATM Card

It is very simple to deactivate your Fidelity ATM card. There are no lengthy processes required. All you have to do is dial *770*911# from your registered phone and follow the steps. A list of all your ATM cards linked to the account will be shown, and you will be prompted to pick the one you want to block. You can still contact Fidelity Bank to block your ATM card through email at [email protected] 

How to Block Stanbic IBTC Bank ATM Card

You can block bank ATM Card for your Stanbic IBTC Bank account without visiting a bank by following these steps:

  • Dialing *909#.
  • After that, choose my bank.
  • Then service request.
  • Lastly, select block card.

Another option is Simply text NUBAN to 30909 from your registered mobile number. Link to the card by replacing the NUBAN with the 10 digits of your account number.

How to Block Union Bank ATM Card

To deactivate your Union Bank ATM card, text BLOCK CARD NUBAN to 20123 from the phone number associated with your account. Replace the NUBAN with your 10-digit account number.

How to Block Access Bank ATM Card

If you have misplaced your Access Bank Debit Card, contact 1.800.554.8969 immediately, and if you have misplaced your Access Bank Credit Card, call 1.800.558.3424 immediately to block the card. Alternatively, you can block bank ATM cards using the Access bank mobile app first download their mobile app.

  • Sign in to the app.
  • Select Cards & Cheques from the menu bar.
  • Under Cards, select Manage Card and select the account ATM card to block
  • Then enter your app authentication code.
  • After that, your ATM card will be deactivated.

How to Block Sterling Bank ATM Card

To block your Sterling Bank ATM Card, just contact them by email at [email protected] or by phone at 070078375464. You may also contact them through the social handles listed below.

  • Facebook:
  • Twitter: 
  • Instagram:

How to Block Wema Bank ATM Card

Wema Bank ATM cards can be blocked using the Wema Mobile app or the Wema Internet banking service. The card may be simply deactivated through text message. Simply text CARD ATM OFF to 33352, using your registered phone number.

How to Block Unity Bank ATM Card

If you suspect fraudulent activity or have misplaced your Unity Bank ATM Card, you may contact them by phone at +2347080666000, +2347057323226, +2347057323227, or by email at we [email protected] or by visiting their official website at

How to Block Keystone Bank ATM Card

To block your Keystone Bank ATM Card, please email [email protected] or dial +234 700 2000 3000.

How to Block UBA ATM Card Nigeria

To deactivate a lost or stolen UBA ATM/Debit Card, dial *919*10# from the phone number associated with your bank account. You may also contact UBA for assistance at 2347002255822 or [email protected]

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