How to Block a Stolen Or Lost ATM Card With USSD Codes For All Banks In Nigeria


For you to be here, it means you have lost your ATM card and probably want to blacklist or just block it. There are several ways via which this can be achieved and we have taken time to provide you with the details.

If for any reason you encounter any issue, please do feel free to get in touch and we will be very pleased to assist you.

Provided below are the procedures and codes to use in blocking any bank ATM card. Since this differs from bank to bank, simply locate your bank and follow the steps as provided.

United Bank of Africa:


From your Registered SIM, simply dial *919*10#

Internet banking or Application platform

– Log on into your UBA Internet banking

– Select Self service

– Select request to block Card.

Call or mail the helpdesk

You can call their customer care on +234 7002255822 or send mail to

First Bank of Nigeria.


Just Send “BLOCK” to 30012 from your Registered line

Guaranty Trust Bank (GTB)

* USSD Code

On your registered line dial *737*51*10#

* Internet Banking or App

– Log into your GTB banking App.

– Select Card

– Select “hotlist” and insert your Card number

– Select Submit then hold on

– While holding on, a pop up screen will pop up requesting to confirm the deactivation of your ATM Card

Call the help desk

To request for the deactivation of your card You can contact the GTB Customer care on 08029002900 OR 0700482666328 (0700GTCONNECT) OR 014480000

Zenith Bank

* USSD Code

– Dial *966*911# from your registered line

– Enter your account number

– Press 1 to confirm your request

* Internet Banking or Application

– Log into the App

– Click on Menu to Select Card and Cheque

– Select deactivate card

– Click continue

* Call Help desk

You can as well contact their customer care on 012787000, or 014647000 or 012927000


Call or Mail Customer Care

Call 012798800 or 07003290000 or send an email to and request for your card to be blocked.

Access bank

* Call

Dial 18005548969 for debit Card or 18005583424 for Credit card

* Internet banking or Application

– Log into the Application

– Select Card and Cheque

– Select “Block” and the account of the ATM Card you want to block

– Then select Block Card

Wema Bank


Send ” CARD ATM OFF” to 33352 through SMS on your Registered SIM

Stanbic IBTC


– Dial *909#

– Select ” My Bank”

– Select “Service Request”

– Select ” Block Card”


Send “Block Card” NUBAN (your account number) to 30909 from your registered line

Sterling Bank

* Call or Mail Customer Care

Mail their Customer care on or call 070078375464

Union Bank


Send “BLOCK CARD” NUBAN to 20123

Unity Bank

* Mail

Send your request to their Email address on

Fidelity Bank

* USSD Code

Dial *770*911# then select the ATM Card you want to block as all the ATM Cards that are connected to your account will be displayed.

* Mail

Send your request to their email address on

Keystone Bank

* Help desk

Send your request to their email address at or call them on 070020003000



Send “STOP ATM” NUBAN to 08063262265

The above will help prevent any unauthorized access to your bank account but please its important and safer to just immediately transfer your money to safer account pending the time you resolve the ATM issue.

I do hope this was helpful.


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