How to Block Indian Overseas Bank Debit Card

Indian Overseas Bank (IOB) is one of the major public sector banks in India. If you have an account with a debit card issued for the same and misplaced the same, here are the ways to block your Indian Overseas Bank Debit cum ATM card.

How to Block IOB Debit cum ATM Card

Using Online Form

Unlike many other banks, IOB has got a quick online form, where the customer can enter the account number and registered mobile number (RMN). After OTP validation, the customer receives the confirmation and the card gets blocked. Steps are as follow:

  • Visit card block link at
  • Enter IOB account number and registered mobile number
  • Submit OTP received on RMN
Blocking IOB Debit Card Online

Through Customer Care Number

You can call the IOB customer care number for Card hotlisting. Below is the official toll free customer service number you can call to get your Debit card blocked.

Toll free: 1800 425 4445

Be ready with your account details when connecting to customer care.

Through IOB Internet Banking

Apart from a quick online link, IOB customers can also block their Debit card using internet banking, if the same is activated. Follow the below steps to block the ATM card:

  1. Login at
  2. Select “IOB Cards” from top menu
  3. Now mouse-hover the “IOB Debit Cards” options in left menu and select “Suspend Debit Card”
  4. Select the Account from the list in right and submit

By Visiting the IOB Branch

If you are unable to get your card blocked using the methods above, you can approach Indian Overseas Bank’s branch for this purpose for further assistance.

Blocking cards could be delayed when visiting a branch for a blocking card. Customers should try other faster ways first to get card block to prevent mishandling or fraud on the card.

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