Can I change my registered mobile number via ATM?

Yes, several banks (like SBI and PNB) offer mobile number update via ATM machines using OTP verification on both old and new numbers.

How long does it take for the new mobile number to become active?

In most scheduled commercial banks, the mobile number update takes between 24 and 48 hours after verification at the branch.

No. Updating customer contact details is a mandatory free KYC service under RBI customer service guidelines.

If the old number cannot receive OTP, you must visit the home branch in person with physical identity proofs and submit this written application.

No. You must re-register your UPI app (like Google Pay or PhonePe) with the new mobile SIM inserted in your phone once the bank updates its system.

बैंक में मोबाइल नंबर बदलने हेतु आवेदन पत्र

यह फॉर्म गाइड हिंदी में पढ़ें (Read in Hindi) →

Formal written application requesting update and registration of a new mobile number for bank account SMS alerts and OTP authentication.

Authority: Home Branch Manager of the respective Bank
Stamp paper / fee: None (Free bank customer service)
How to submit: Physical counter submission at Home Branch (requires biometric/signature verification)
Processing time: 24 to 48 hours
Official portal: https://rbi.org.in

Verify New SIM Card Activation
Ensure that your new mobile number is active, recharged, and capable of receiving SMS messages and incoming calls.
Complete Application Form
Fill in this application letter specifying your bank account number, old registered mobile number, and the new mobile number.
Attach Identity Proof
Attach self-attested photocopies of your Aadhaar card and passbook first page showing your name and photograph.
Visit Home Branch with Original ID
Present the application at your home branch counter; the bank officer will verify your registered signature or perform biometric authentication.
Verify Update via Test Transaction
Once updated within 24 to 48 hours, verify by conducting a balance enquiry or small transaction to confirm SMS arrival.

Enter the exact 11 to 16 digit account number clearly.
State the old registered mobile number exactly as recorded earlier.
Provide the 10-digit new mobile number clearly without error.
Ensure your residential address matches your bank records.
Sign in the presence of the bank official matching your signature in bank records.

Writing an incorrect digit in the new mobile number, leading to OTP delivery failure.
Not carrying the original Aadhaar card for spot verification.
Attempting to change the registered number via phone call or unofficial email.
Expecting ATM card activation before the core banking mobile number update completes.

Can I change my registered mobile number via ATM?: Yes, several banks (like SBI and PNB) offer mobile number update via ATM machines using OTP verification on both old and new numbers.
How long does it take for the new mobile number to become active?: In most scheduled commercial banks, the mobile number update takes between 24 and 48 hours after verification at the branch.
Is any fee charged for updating mobile number?: No. Updating customer contact details is a mandatory free KYC service under RBI customer service guidelines.
What if my old mobile number is completely lost or deactivated?: If the old number cannot receive OTP, you must visit the home branch in person with physical identity proofs and submit this written application.
Will my UPI apps work immediately after changing the mobile number?: No. You must re-register your UPI app (like Google Pay or PhonePe) with the new mobile SIM inserted in your phone once the bank updates its system.