block ATM card

Here in this article, I want to show you how to block ATM cards from any transactions in case of theft, loss, stolen, or damage of ATM card.

Block ATM cards (GTB) 

block ATM cards GT bank

Simply dial *737*51*10# on your mobile device. Make sure your phone number is associated with your GTBank account.

To block your GTB ATM card through INTERNET BANKING/APP

Log on to your internet banking profile and block your ATM yourself following the steps below.

  • Login to your GTBank internet/app.
  • Locate where there is a card and click on it.
  • Select ‘Hotlist’ and insert your card number, request reason and so on.
  • Click submits and waits.
  • A Pop-up screen option will appear asking you to confirm the deactivation of your ATM card.

How To Block ATM cards (First Bank) With USSD Code

block first bank card

To block your First Bankcard, simply use your phone and ensure that the SIM card on the phone is registered with your First Bank account.

To block your First Bank ATM Card With USSD Code

Send “BLOCK” to 30012. Within 24 hours your ATM card will be blocked and it can’t be used to withdraw or make a payment again.

Now you need to visit any First Bank branch and apply for a new ATM card.

How To Block Fidelity Bank ATM Card

fidelity ATM card

To block Fidelity bank card, Simply dial *770*911# on your registered phone number connected to the account and follow the prompts.

A list of your entire ATM card connected to the account will be displayed and you will be asked to select the particular one you will like to block.

Also, you may wish to contact the Fidelity Bank to block your ATM card via email at,

How To Block Zenith Bank ATM Card

To block your Zenith Bank ATM card through your App/internet

  • Log in to the app
  • Click on the menu bar and select Cards and Cheques.
  • Select Deactivate Card under Type and enter a reason.
  • Now click on continue.
How To Use Zenith Bank USSD Protect Code:
  • Simply dial *966*911# from any Mobile device
  • Enter your account number followed by your Mobile number
    Press 1 to confirm your request and instantly block your account.

For further assistance, contact Zenith help desk via phone call using the following numbers 012787000, 014647000 and 012927000.

Block ATM cards (Stanbic IBTC Bank)

To block your Stanbic IBTC Bank Card through USSD code.

  • Simply dial the code *909# 
  • Select my bank
  • Select service request
  • Click on block card.

Alternatively, you can do this by sending SMS to Stanbic IBTC bank.

  • Send Block card NUBAN to 30909 via your registered mobile number.
  • Replace the NUBAN with the 10-digits of your account number Link to the card.

Read Also: How to Check bank balance with USSD

How To Block Union Bank ATM Card

To block your Union Bankcard, simply text BLOCK CARD NUBAN via SMS to 20123 using the phone number registered to your account. You should replace the NUBAN with the 10-digit of your account number.

How To Block Access Bank ATM Card

Access bank does not require you dialing code or sending SMS messages, Simply do the following.

For lost of your debit card dial 18005548969
For lost of your credit card dial 18005583424
You are done with this; your card will be deactivated instantly

How To Block Keystone Bank ATM Card

Keystone bank does not require sending codes or internet app usage.

To block your Keystone Bank Card kindly send them an email through their email id: or call them on +234 700 2000 3000.

Reas Also: How to Activate your ATM card for online transactions

How To Block Wema Bank ATM Card

Wema Bank ATM card can be blocked via the Wema Mobile app or Wema Internet banking solution.

The lost card can easily be deactivated through text messages. Just send CARD ATM OFF to 33352 using your registered mobile number with the Wema Bank account.

How To Block UBA (United Bank Of Africa)

To block your lost or stolen UBA ATM/Debit Card, simply dial *919*10# from your mobile line that is registered with the UBA Bank account.

Alternatively, follow the steps below using USSD and follow the prompt command

  • Dial *919#
  • Select “7” for next
  • Select Banking services
  • Select “1” to block debit card
  • Enter your account number and send, and you are done.
You can block your UBA ATM card through internet banking/App platform
  • Just log on to the UBA internet banking platform
  • Select self-service
  • Request to block your card

Alternatively, you can contact the UBA help desk through +2347002255822 or send them an email on

How to BlockATM cards (Sterling Bank)

For you to block your Sterling Bank Card, simply contact them via email at or call them on 070078375464.

Also, you can contact them via their social media handles below.

How to Block ECOBANK Card
To block EcoBank Card, simply follow the steps below.

Send “STOP ATM NUBAN NUMBER” to 08063262265, replace NUBAN with your account number.
For example, send “STOP ATM 1020415263” to 08063262265.

HOW to Block FCMB Card

FCMB does not require sending codes but simply call them on +234 2798800 or Email them on requesting that your ATM Card account should be blocked after the provision of relevant information.

How To Block Unity Bank ATM Card

If you suspect any fraudulent activity or you lost your Unity Bank ATM Card, you can request them to instantly block your card through a phone call on +2347080666000, +2347057323226, +2347057323227

OR you can email them on or visit their official website

That’s all on how to block ATM card. Another thing to consider is moving your funds to another account ASAP before looking to get to get a new card.

See you around. Please do share this post to save someone.



  1. Someone me gave credit card informations e-post via. what i am make shall that situation about? if i using credit card he/she’s my credit card like. (however mine credit card no) conclusion what happening?


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