Call BOI customer care immediately and request ATM card hotlisting/blocking
Use BOI mobile banking or internet banking to block the card if available
Visit the nearest BOI branch and submit a written request to block the ATM card
Send a blocking request through BOI’s official SMS or registered banking channel if supported
Report the card as lost, stolen, or compromised while requesting the block
Keep your account number, card details, and registered mobile number ready for verification
Ask for confirmation that the card has been successfully blocked
Monitor your account for any unauthorized transactions after blocking
Request a replacement card if needed