NetBanking/MobileBanking Blocking - Frequently Asked Questions

How can I block my NetBanking & MobileBanking channels in case of suspicious activity?
If you notice anything unusual, don’t worry—we’ve got you covered! Simply send an SMS: BLOCK OB to 7308080808 from your registered mobile number.

What number should I send the SMS to?
Send the SMS to 7308080808 using your registered mobile number. We’re here to ensure your security.

Will I be able to use NetBanking & MobileBanking after requesting a block?
No, to keep your account safe, access to NetBanking & MobileBanking will be temporarily blocked.

Do I need to be registered for SMS Banking to use this feature?
No, you don’t need SMS Banking registration. All NetBanking & MobileBanking customers can use this easy service.

Can I unblock my NetBanking & MobileBanking channels by calling customer care?
We’re here to help, but for security reasons, you’ll need to visit your nearest HDFC Bank branch to unblock the channels.

How will I know if my request to block services was successful?
You’ll receive a confirmation SMS on your registered mobile number. If you have multiple customer IDs, we’ll send you separate updates for each.

How can I unblock the NetBanking & MobileBanking channels?
Simply visit your nearest HDFC Bank branch. Our team will assist you through the unblocking process.

What happens if I send multiple SMS requests to block the services?
Don’t worry! Your first request will be processed, and you’ll receive an SMS confirmation. For repeat attempts, we’ll let you know the block is already in place.

Will my block request work if I send a misspelled SMS (e.g., BLK OB or BLOCK NBMB)?
Yes, we understand! Your request will still be processed, even if you send minor variations like BLK OB or BLOCK NBMB.