How to Block Keystone Bank Account and ATM Card

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Keystone Bank

How to Secure Your Account and ATM Cards

In today's digital age, safeguarding your financial assets is paramount. Whether faced with a lost or stolen card or suspicious account activity, taking swift action is crucial to protecting your funds and personal information. Fortunately, provides straightforward procedures to lock and unlock your account, empowering you with control over your finances.

This guide will walk you through the step-by-step process of blocking and unblocking your Keystone Bank account and ATM card, equipping you with the tools to secure your financial well-being effectively.

Steps to Block Keystone Bank Account/ATM Card

You have several options available to secure your account and prevent unauthorised access in the event of a lost or compromised ATM card or associated SIM:

  1. Via Internet Banking:
    • Visit the Keystone Bank website and log in to your account.
    • Access the “Cards” section from the dashboard.
    • Select the specific ATM card you wish to block.
    • Click on “Block Card” and confirm the action using your internet banking credentials.
    • To unblock the card later, choose the “Unblock Card” option.
  2. Via Customer Support:
    • Dial 070020003000; Keystone Bank's customer care line is available 24/7.
    • Provide necessary details, like your account number and card information, for verification.
  3. Via USSD Code:
    • Dial *7111*911# on your mobile phone.
    • Follow the prompts to confirm the blocking of the ATM card by entering your 4-digit PIN.
  4. Via the Keystone Bank Mobile App:
    • Download or launch the Keystone Bank mobile app.
    • Log in using your credentials or biometric authentication.
    • Navigate to the “Cards” section, select the card, and choose “Block Card.”
    • Confirm the action and retain the option to unblock the card later if needed.

Additional Tips for Security

  • Lost Phone Scenario: If you need to block your ATM card from another phone due to a lost device, contact Keystone Bank at 070020003000 for assistance.
  • Account Monitoring: Regularly review your account for any suspicious activity and report it promptly.
  • Unauthorised Transactions: If you suspect unauthorised transactions, contact customer support immediately for an investigation.
  • Unblocking Card: Should you find a blocked card, reach out to Keystone Bank for guidance on unblocking it.

Frequently Asked Questions

  1. Blocking Lost/Stolen Cards: Contact customer care or visit a branch promptly to block a lost or stolen ATM card.
  2. Online Blocking: Yes, you can block your ATM card online through internet banking or mobile app.
  3. Blocking Fees: Generally, blocking a lost or stolen card is free of charge at Keystone Bank.
  4. Reporting Unauthorised Transactions: Notify customer care immediately if you notice any unauthorised activity on your account.
  5. Timely Blocking: Keystone Bank acts swiftly to block lost or stolen cards upon notification.


Acting swiftly to secure your account and ATM card in case of loss or suspicious activity is vital for protecting your finances and personal data. Utilise the simple procedures provided by Keystone Bank to safeguard your assets effectively. Remember to keep your account details confidential, monitor transactions regularly, and update security measures as needed. By following these steps and staying vigilant, you can ensure the safety of your funds with Keystone Bank's support.If you have any further questions or require assistance, feel free to leave a comment below.

We are here to help you navigate through any concerns regarding securing your Keystone Bank account effectively.


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