How To Block Nigeria Banks Account Or ATM Card in case of Fraud,theft

Most of my followers ask me how they can block their bank account and ATM CARD via mobile phone in case of theft, suspicious transactions or card loss.

Last week I got a phone call from my military friend who’s currently in Maiduguri, Borno State North east Nigeria requesting to know how he can block his bank account temporarily due to fraudsters withdrawing money from his bank account.

Today I will teach you how to block various bank account ATM cards in Nigeria.

1. First Bank

With FirstGuard, customers can automatically hotlist or block  Verve (Interswitch) ATM Cards via mobile phone in case of theft, suspicious transactions or card loss. Simply SMS “BLOCK” to 30012 via the SMS alert number registered with your account.

Also you make use of Mobile App to block your first bank ATM card :simply follow the steps given below to hotlink your card.

1. Open your First Bank Mobile App (First Mobile)
2. Press Option and then go to Card Services.
3. Select your card type and then click on the hotlist card, follow all instructions to complete the action.

Read: History and origin of Banking in Nigeria


2. GTBank

GTBank customers can now block their lost or stolen ATM Cards either with Mobile Banking via SMS  OR  internet banking

Mobile Banking via sms

Text Hotlink + YOUR ACCOUNT NUMBER to 0807666-5555


Gtbank customers can Dial *737*51*10# to Hotlist/Block your Card from the comfort of your zone,anywhere and any time without visiting any branch

SMS Banking Option

send “hotlist<NUBAN to 0807666-555 from your registered phone number with your gtbank

Eg Hotlist 0123654732 to 0807666555

Email Option

Send email to or careonline@gtbank from your registered email address.

Provide them with
Cardholder name
Account Number
Last 4 digit of your card
once your details are received they will hot-list your card immediately.

GTconnect Option


Mobile banking Option

Login to your mobile banking with your username and password
Click on card hotlist
select card number and reason for hotlist
Review request and click continue
Provide answer to secret question and answer
click continue and enter your token code and click submit

internet banking

Log on to Internet Banking with your user id and password
– Click “Cards”
– Select card number and reason for hotlist
– Provide answer to your secret question
– Click Continue
– Enter your ‘token code’
– Click Submit

If you believe your PIN or Password has been compromised please call GTConnect on 0700 482666328

Also read: Names of Nigeria 36 States and capital & their slogan

3. Fidelity Bank account

Fidelity bank customers can block their Atm  card  or account  via ussd code or internet banking the process . To block your fidelity bank ATM card Simply dial *770*991# or call Trueserve number 01-4485252


4. Zenith Bank

To stop all debit transactions  from your Zenith bank account or block Zenith  bank ATM card, simply dial; *966*911# from any mobile phone. Enter your account number then enter your AlertZ mobile number. Press “1” to continue and instantly block your account. To unblock your account, simply visit any Zenith Bank branch.


5. Stanbicibtc Bank:

To block your stanbic IBTC ACCOUNT or ATM card simply Dial *909#, select my bank …Then select service request and finally select Block Account.

Alternative Simply 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.


6. Union Bank Account

Union Bank customers can block their bank account or ATM card via   sms or internet banking process. details below

Internet banking

1. Login to UnionOnline
2. Continue to your account
3. Click on self service
4. Select block/unblock debit card
5. Select your account
6. Input your security word
7. Enter Token and complete your request

Or call: +234-1-2716816

You can also make use of sms to block Union bank Card

Simply send ‘BLOCKCARD’ <SPACE> YOUR ACCOUNT NUMBER to 20123 from your registered phone number with union bank

Eg. Blockcard 0123456789 to 20123…please note this will only stop card related transaction including ATM and POS,UnionMobile and other card base transactions on the internet

Union Bank customers can also block their Card and unblock card) by dialing *826*21#

7. EcoBank

To block your Ecobank account 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.

Call +234 1 277 2904 OR

8. FCMB Bank

The good news is that FCMB customers can  now block their bank account or ATM card   by dialling – *329*911# (Dial from either Registered or Unregistered number) to block account

Also you can :

Telephone: 07003290000 , 01-2798800.


Whatsapp: (+234) 09099999814 or (+234) 09099999815

Access call +23412802500


You may also like : List of All Nigeria bank transfer limit using USSD and mobile banking


9. Unity Bank

To BLOCK Unity bank  account or  ATM card or bank account Dial: *7799*9*phone number#

Or Customer Contact Center,

+234 (0) 7080 666 000, +234 (0) 7057 323 226,
+234 (0) 7057 323 227, +234 (0) 7080 666 030


10. UBA

To Block UBA account number or ATM card when your debit card is stolen or you think your account has been compromised;  simply Dial :

1. Dial *919*10# to block a lost or stolen card

2. Dial *919*9# to freeze online transactions

You can also Contact UBA bank immediately on;
+234 1280 8822
+234 1631 9822

Or send then email:

Or call +234 700 2255 822


11. wemabank

To block your WEMA bank account number or ATM  card:  Dial *945# Select the self-service option provided by Wema Bank. Then follow the prompts on your screen to block your ATM card. Also you can block Wema bank cards by  Calling  Purple Connect (Wema Bank Interactive Contact Centre): +243 (0) 80 3900 3700 and request that the card be hotlisted immediately……  Also you  can enable or disable your card at will via the ALAT app.


12.Keystone Bank

To block your Keystone Bank ATM Card  or account simply  DIAL *7111*911#  This will enable you to place restrictions on your keystone bank account  from any phone  but to unlift the ban or unblock your account visit any of keystone bank……… Also  send Keystone Bank an email via , or call +234 700 2000 3000


13.Sterling Bank

To block sterling bank ATM CARD or bank account, Account holders should dial *822*911# and follow the prompt message to block or hotlink card  from any available mobile phone.Also you can Contact :Customer Centre on 07008220000 (070078375464), 014484481-5 or send an email to


14.Access Bank

Access bank customers can block their account or ATM card via ussd code.  All they need is to dial *901*911#. The USSD code allows customers to deactivate their USSD profile once their mobile devices get lost or stolen. Also they can  Call (07002255222377), +234 1- 2712005-7, +234 1-2802500
contact centre email address for complaint


15.Polaris bank:

To block Polaris bank account or ATM CARD  follow the Securely steps below  to  block their  account

1. From your registered phone with Polaris bank simply dial *833*13#
2. From other phone number that is not link to your bank account kindly dial *833*13Registered mobile Number#

0700-POLARIS (0700-7652747)
0806 988 0000
01 448 2100
01 270 5850


16. Heritage Bank

To block Heritage bank ATM card or account Just type the short code *745#, extended by whatever service you want.

Or Contact Centre Numbers
+234-1-236-9000 0700-HERITAGE

For Complaints:


17. How to Block Standard Chartered Bank Nigeria bank account

To block Standard Chartered Bank Nigeria ATM  Card or account  simply follow the steps below.

1. Login to online banking or SC Mobile.
2.Go to ‘Help and Services’
3. Click on ‘Report lost/stolen card’
4. Select the card(s) you want to block or replace and confirm.

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