There are several ways through which YES Bank has made it possible to block your credit card. You can block credit card mobile banking, phone banking, SMS, YES Pay, and phone banking.
Any unauthorised transaction on your YES Bank credit card has to be reported to the bank immediately. It may be prudent to block your YES Bank credit card as soon as you receive any notification or notice any such unauthorised or fraudulent transactions.
You should send the SMS BLKCC to 9840909000 from the mobile number registered with YES Bank to block your credit card.
There are couple of ways through which you can get your Yes Bank credit card unblocked;
Yes Bank Customer Care/ Complaints
If your ATM card is blocked, you should visit the nearest YES Bank. Submit a written application with your identity proof, and the bank will unblock your ATM card.
You cannot close a YES Bank account online and will have to visit the branch.
You should send the SMS BLKCC to 9840909000 from the mobile number registered with YES Bank to block your FinBooster: YES BANK - BankBazaar Co-branded credit card.
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