Last Updated on October 8, 2025 by admin
Customers of Zenith and Fidelity Bank are also vulnerable to ATM card fraud and theft, especially with the rise of internet and mobile banking in Nigeria.
If you receive an alert about unauthorized transactions from your bank, it’s a clear sign that your hard-earned savings may be at risk, and recovering those funds can often be difficult.
Over the years, banks have consistently warned customers against sharing their account details with unsolicited callers, stating that they will never reach out via phone, SMS, or email to request your card details, PIN, token codes, or any other account-related information.
ALso read: How to register for Zenith Bank Internet banking and Mobile app
Many fraudsters may pose as bank representatives, asking for your bank verification number (BVN), date of birth, and requesting you to confirm these details.
They might then ask for your debit card information and ATM PIN. It’s crucial that you never share your personal information over the phone, email, or SMS, as you could be dealing with a scammer.
You can also read: Zenith bank Forex: How to receive Foreign Currency Inward Transfers from abroad
If you do make such a mistake or receive an unauthorized debit alert, it’s important to quickly block your bank account and ATM card to prevent any further withdrawals.
The good news is that customers can take action on their own without needing to visit a branch. Both Zenith Bank and Fidelity Bank have introduced unique codes to help stop unauthorized transactions and protect account holders’ funds in case of lost mobile phones, ATM cards, or hardware tokens, as well as compromised account details.
Blocking your ATM card or bank account may arise from several critical reasons that warrant immediate attention to safeguard your finances.
One primary reason is the potential for unauthorized transactions, which can occur if your card or account details are compromised through scams, phishing, or card skimming.
Detecting unusual activity on your account should prompt swift action to prevent further unauthorized access.
How to Block Zenith bank/ATM CARD
To block your Zenith Bank ATM card, you have several options:
Using the USSD Code:
- Dial *966*911#
- Follow the on-screen prompts to block your card.
- Confirm your details to block the card immediately.
Using the Zenith Bank Mobile App:
- Launch the Zenith Bank Mobile App on your smartphone.
- Click on the Menu icon at the top left corner.
- Choose ‘Cards & Cheques’ from the options.
- Toggle the switch to deactivate your ATM card.
Via Customer Care:
- Call 234 (1) 4647000 or 0700-286-936484.
- Explain your situation and request to block your card
You can also read: How to apply for Fidelity Bank fast loan and Salary in advance/Payday Loan
How can I block Fidelity bank ATM card in the event of card fraud?
- To block your Fidelity Bank ATM card in the event of card fraud, you have several options:Using the USSD Code:
- Dial* 770*911#.
- Follow the on-screen prompts to block your card.
- Confirm your request by entering your unique 4-digit PIN.
Using the Fidelity Bank Mobile App:
- Launch the Fidelity Bank Mobile App on your smartphone.
- Use your username and PIN to log in.
- Go to the ‘Card Services’ section from the menu.
- Choose the option to block your ATM card.
- Follow the on-screen instructions to complete the process.
Via Customer Care:
- Call Customer Care +234 1 271 6600 or +234 700 343 354 89.
- Provide your personal details (account number, phone number, etc.) to verify your identity.
- Request to block your ATM card.
- The bank representative will send you an SMS or email confirming that your card has been blocked.
What To Do After Blocking Your Card/Account
After blocking your Zenith Bank or Fidelity Bank ATM card or account, you’ll need to take several follow-up actions to ensure financial security and continuity of banking services.
First, promptly report the incident to the bank by visiting a branch or contacting their customer service. This allows the bank to investigate any unauthorized transactions and provide guidance on further steps. Make sure to request a new ATM card.