To register, link or update your mobile number with  your HDFC Bank account, download the mobile number updation form from the official website of the bank. Fill the given form with all the details including your new mobile number. Complete the required details along with your signature and submit it at your HDFC Bank’s home branch. It can take upto 2 working days for the new update to come into effect.  This service is available free of cost for all customers.

It is mandatory and essential for any account holder to register/link their mobile number with HDFC Bank. For example, if you lose your debit/credit card somewhere and someone tries to use it then. Scary right? If they enter an incorrect PIN number that's when your bank will notify you with an alert text on the registered mobile number. Then you can immediately block your card usage to avoid any fraudulent activity.

This is one among the many benefits you can avail if you link your mobile number to your bank account. So if you haven't done that already then follow the below steps.

  • First things first, download the registration form.

  • Fill the form with all accurate details like your name, bank account number, mobile phone, address etc.

  • Validate the form with your signature wherever required.

  • Finally, visit your home branch and submit the registration form to the bank officials.

Key points to remember:

  • You can follow the above mentioned steps for registration/linking/updating of your mobile number.

  • The registration form can be downloaded online for easy access.

  • The form is also available at the home branch.

  • All the details entered in the form should be accurate.

  • In the case of a joint account, all the account holders should sign the form.