Losing your GTBank (GTB) ATM card can be stressful—especially if you’re worried about unauthorized transactions. The good news is that GTBank gives you several fast ways to block your ATM card instantly, even without internet access.
Whether your card is stolen, misplaced, or compromised, follow any of the methods below to secure your account immediately.
1. Block GTBank ATM Card Using USSD (Fastest Method)
You do not need a smartphone or internet.
USSD Code to Block GTB ATM Card:
Dial:
*737*51*10#
This code instantly blocks your debit card and prevents any transactions.
Requirements:
- Must dial from the phone number linked to your GTBank account.
2. Block GTBank ATM Card Using the GTBank Mobile App
If your phone is safe and only the card is missing, use the GTBank app:
Steps:
- Open the GTWorld or GTBank Mobile App
- Log in
- Go to “Cards”
- Select your ATM/Debit Card
- Tap “Block Card”
Once blocked, the card cannot be used for ATM withdrawals or online transactions.
3. Block Your GTBank Card by Calling Customer Care
If you cannot access USSD or the app, call GTBank support.
GTBank Customer Care Phone Numbers:
+234 700 4826 66328
+234 1 448 0000
Request “Please block my ATM card.”
They may ask for:
- Full Name
- Date of Birth
- Last 4 digits of your ATM card
- Account number
4. Block Your GTB ATM Card by Email
Send an email to GTBank:
Use this subject line:
“Request to Block ATM Card Immediately”
Include:
- Full name
- Account number
- Phone number
- Last 4 digits of card
- Reason (lost/stolen)
5. Block Your GTBank Card by Visiting a Branch
If all else fails, walk into any GTBank branch.
Go to the Customer Service Desk and request:
“Card Hotlisting”
They will secure your account immediately.
How to Know Your Card is Successfully Blocked
After blocking, you will receive:
- An SMS confirmation OR
- A pop-up message (if you used USSD)
Your card will no longer work for:
ATM withdrawals
POS purchases
Online transactions
Transfers requiring card authentication
How to Replace Your GTBank ATM Card
Once blocked, you can get a replacement at any GTBank branch.
Cost:
Approx. ₦1,000 – ₦1,200
Requirements:
- Valid ID
- Account number
- Phone number
Frequently Asked Questions (FAQ)
1. Can I unblock the ATM card after blocking it?
No. Once a GTBank card is blocked, it cannot be unblocked—you must request a new one.
2. Can someone still withdraw my money after blocking the card?
No. All card-based transactions become disabled.
3. Does blocking my card delete my mobile banking?
No. Only the ATM card is disabled. Your app and USSD remain active.
4. What if my phone was stolen with the ATM card?
Dial the USSD code using any phone with your SIM inside:*737*51*10#
Final Thoughts
Blocking your GTBank ATM card immediately is the smartest way to protect your money from unauthorized access. The USSD method is the fastest, but GTBank provides multiple backup options like mobile app, customer care, and branch visits.
If your card is missing, act fast—your account safety comes first.
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