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

Most of my followers do 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 card in Nigeria.

1. First Bank

With FirstGuard, customers can automatically hot list or block  Verve (Interswitch) ATM Card 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.

2. GTB Bank

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 then with
Cardholder name
Account Number
Last 4 digit of your card
once your details is 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

3. Fidelity Bank account

Fidelity bank customers can block their card  via ussd code or internet banking the process is explained below.

To block your card, dial

To disable your phone from Instant Banking services using any phone, dial

To block your accounts, dial

4. Zenith Bank

To stop all debit transactions  from your Zenith bank account or block 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 sends Block card NUBAN to 30909 via your registered mobile number. Replaced 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

Login to UnionOnline
Continue to your account
Click on self service
Select block/unblock debit card
Select your account
Input your security word
Enter Token and complete your request

Or call: +234-1-2716816

You can also make use of sms

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

Ecobank customers can block their atm card or bank account number by

Call +234 1 277 2904 OR

8. FCMB Bank

The good news is that FCMB customers can block their bank account or ATM card  by Dialing  *329#, select self-service, select block account to block account

Telephone: 07003290000, , 01-2798800.


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

Access call +23412802500

9. Unity Bank

A a Unity bank customer, to block your 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  simply Dial *919# from the phone number you used while opening your account, then press 8 to go to next, then press 2 to block debit Card (ATM card).

Or call +234 700 2255 822

11. wemabank

To block your WEMA bank account number or ATM  card Call Purple Connect (Wema Bank Interactive Contact Centre): +243 (0) 80 3900 3700 and request that the card be hotlisted immediately.

12.Keystone Bank

To block your Keystone Bank ATM Card kindly send them an email via , or call +234 700 2000 3000

13.Sterling Bank

To block Sterling Bank account number or ATM card  simply Contact :Customer Centre on 07008220000 (070078375464), 014484481-5 or send an email to

14.Access Bank

For Access bank customers to block their account number or ATM card  they should dial  *901*911# to  deactivate their USSD profile once their mobile devices get lost or stolen.  OR Call (07002255222377), +234 1- 2712005-7, +234 1-2802500
contact centre email address


15.Polaris bank:

Securely for Skye/Polaris  bank customers 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.

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

For Complaints:


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