Steps to Change HDFC Bank Mobile Number & Fill Form Online
Author Updated on Jan 5, 2026
Banks offer transaction and banking-related updates on mobile, so it is important to update your contact details with your bank. HDFC Bank allows its customers to update their mobile numbers easily to receive regular updates. The bank offers multiple options, whether it be online through net banking, mobile banking, or by visiting the bank. This blog provides easy steps to update your mobile number online.
How to Change HDFC Mobile Number Via Insta Services?
HDFC atm mobile number change without visiting a branch can be done as follows-
- Visit this HDFC Bank Insta Services

- Click on update mobile number from the services available

- A new page for updating mobile number will open

- Read the points mentioned and if you fulfill all of them
- Then, Click on let's begin

If you have your registered mobile number
- Click Yes and enter your registered mobile number
- Choose identification options like PAN< date of birth and customer ID
- Now, click on OTP
- An OTP will be shared on your registered mobile number

- Enter the OTP and submit

- Enter your new mobile number
- Click on verify using OTP

- Enter OTP received and confirm

- On the verify with debit card page

- Enter last four digit of debit card, CVV and expiry details
- Click on verify

- Your mobile number update request will be received
If you don't have your registered mobile number

- Click No and enter your registered mobile number
- Enter your customer ID
- Click on Get OTP

- Now, your customer ID will be fetched
- Select the account and click continue

- Enter your new mobile number
- click on verify using debit card
- Now, enter OTP received on your registered e-mail ID
- Enter the OTP and submit

- A page indicating verify with debit card
- Provide debit card details
- Click on Verify

- Now, complete your KYC

- Now, confirm your identity
- Choose between using Aadhaar eKYC or using other verification documents
- For offline KYC go to the nearest bank branch
- Click on Aadhaar eKYC and Continue
- Select language

- Click on continue

- On verify with aadhaar page
- Enter Aadhaar number or virtual ID
- Click on get OTP and verify

- An OTP will be received on your registered mobile number
- Enter the OTP and click on verify

Your mobile number update request will be received
Also Read: ICICI Bank Mobile Number Change
How to Change HDFC Mobile Number by Visiting a Bank Branch
You can also change your HDFC mobile number by visiting a branch personally with proof of a valid ID.
- Visit the nearest HDFC bank branch with a photo ID proof
- Ask for the 'Change of Contact Details' form
- Fill out the form with the new 10-digit number
- Attach the required documents
- Biometrics may be required for authentication
- New number will be activated after processing
- You will receive a confirmation through a message.
You can even send a request via Overseas Mail services along with a self- attested OVD.
Also Read: Axis Bank Mobile Number Change
Documents Required to Change HDFC Mobile Number
If you want to change your mobile number from HDFC, you must provide certain valid documents to verify and activate the new number.
- Aadhaar card
- PAN card
- Passport
- Voter ID
- Ration card
- Driving license
- Bank account statement
Change HDFC Mobile Number Application Form
HDFC provides an application form to submit to change the registered mobile number attached to the bank account. This form requires account holder details, new mobile number, purpose of change and upload of identity proof. The form helps initiate a formal request to update contact details in bank records. The mobile number change application form can be accessed from HDFC bank website or any bank branch.
How to Check Update/ Change of HDFC Mobile Number Online
Once you change your registered mobile number, checking the request's status online is important.
- Log in to internet banking
- Select 'Profile'-'Contact Details'
- Click 'Mobile'-'Update Status'
- Details of the last change request are shown
- Status shows 'Initiated', 'Pending', 'Approved' or 'Activated'
- Check for SMS activation confirmation
- If pending, try approving through the ATM
The status page helps track number change requests online after submitting them to complete the updating of registered contact information.
Conclusion
HDFC offers convenient options to change mobile numbers in HDFC mobile numbers digitally. Correctly following the steps and providing valid documents ensures the secure and smooth updating of your contact details. Always check status updates online to ensure the successful activation of the new number linked to your bank account.
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