how to block tamilnad mercantile bank tmb atm card debit card
Block ATM Card Tamilnad Mercantile Bank

How to Block Tamilnad Mercantile Bank ATM Card Debit Card by Customer Care and Charges for new TMB ATM Card

If you are a Tamilnad Mercantile Bank customer and your ATM cum Debit card has got stolen or lost then you need to immediately block your ATM card in order to protect from fraudulent transactions, check below to block Tamilnad Mercantile bank atm card.

Block Tamilnad Mercantile Bank ATM Card

how to block tamilnad mercantile bank tmb atm card debit card

TMB ATM Card Block

You can block your TMB debit card or ATM card by calling the customer care number and request to block or hotlist the card.

TMB has provided a dedicated Number to for TMB ATM card block dial 08467974343.


You need to dial 08467974343 from your registered mobile number.

Alternatively, you can also approach below TMB Customer care Numbers to block TMB ATM cum Debit card.

To block the card dial 04426223106 or 044 26223109 these are dedicated numbers for blocking TMB ATM Card.

Once connected to customer care team request to block the card by informing your account relevant details only if the person asks and never reveal your ATM card PIN for safety purpose.

Working hours for above numbers are 10 AM to 6 PM.

Note: Charges will be applied as per local tariff.

Block TMB Debit Card

How do I block my TMB debit card?

By calling any of the dedicated number you can report and block your ATM card.

Alternatively you can also visit any nearest TMB branch and request them to block your ATM Card by writing a letter.

Note: Once you have blocked or hotlisted your TMB ATM card you cannot unblock the card, you need to get replacement of the card only.

For new card visit the branch and apply for the new ATM card.

Charges for new TMB ATM Card is Rs 200 + GST, Replacement of card will be charged only once on your bank account.