How to Change Mobile Number in Bank Account in India: Online and Offline Methods
Your registered mobile number is directly linked to banking alerts, OTP verification, UPI access, and transaction security. If your number changes, updating it with your bank becomes essential to avoid failed transactions or blocked digital services. The process is simple, but it must follow proper verification rules. Here is a clear guide explaining all secure ways to change your mobile number in a bank account, both online and offline.
How to Change Mobile Number in Bank Account: Step-by-Step Methods
Banks follow a standard verification-led process to ensure account safety. Log in to your bank’s Internet banking portal or mobile app, or visit an ATM or branch.
Below are the steps to change the mobile number in the bank account through various methods.
- What if I do not have access to my old number?
If you do not have access to your old registered number, online methods usually do not work. In such cases, you can update your mobile number through an ATM if supported by your bank or by visiting the bank branch with a valid photo identity proof.
Let’s see the steps below to change your mobile number in the bank.
Method 1: How to Change Mobile Number in Bank by Visiting the Bank Branch
This is the most reliable option if your old number is inactive.
- Visit your home branch with a valid photo identity proof.
- Request a mobile number change form.
- Fill in the required details accurately.
- Submit the form along with ID verification.
The bank updates the number after internal verification.
- How to add a mobile number in a bank account without visiting the branch?
You can add or update your mobile number without visiting a branch by using internet banking, the bank’s mobile app, or ATM services.
Method 2: How to Change Mobile Number in Bank Through Bank ATM
This option is useful when online access is unavailable.
- Visit the nearest ATM of your bank.
- Insert your debit card and enter your PIN.
- Select Services, Registration, or Update Mobile Number.
- Enter the new mobile number.
- Confirm the request using the OTP sent to your number.
- Collect the acknowledgement slip if provided.
- Can I update my bank mobile number online?
Yes, most banks allow you to update your mobile number online. OTP verification is sent to the old registered number and is generally required for security purposes.
A mobile number change is important for transaction alerts, but your Aadhaar address must also be up to date. Check your Aadhaar address update status today to avoid verification failures during banking or UPI transactions.
Method 3: How to Change Mobile Number in Bank Through Internet Banking
This is the most commonly used method for active online banking users.
- Visit the official website of your bank and log in using your internet banking credentials.
- Navigate to the Profile, Settings, or Personal Details section.
- Select the option to update or change your registered mobile number.
- Enter the new mobile number.
- Verify the request using the OTP or transaction password sent to your registered number.
- Submit the request and note the confirmation message.
Method 4: How to Change Mobile Number in Bank Using the Bank’s Mobile Banking App
Most banks allow mobile number updates directly through their official apps.
- Open the bank’s mobile app and log in securely.
- Go to Profile, Settings, or Contact Details.
- Choose the option to change mobile number.
- Enter the new number and confirm.
- Complete OTP verification as prompted.
The update is processed once verification is successful.
Method 5: How to Change Mobile Number in Bank Through Customer Care or Phone Banking
Some banks support mobile number updates via customer support.
- Call the official customer care number of your bank.
- Complete identity verification as requested.
- Raise a request for mobile number change.
- Follow any additional instructions provided by the representative.
- How many days will it take to change mobile number in bank accounts?
Online and ATM requests are typically processed within 1 to 2 working days. Requests submitted at a bank branch may take 2 to 5 working days due to manual verification.
How to Check Mobile Number Linked With a Bank Account?
To check the mobile number linked to your bank account, you can use both digital and offline channels.
For security reasons, most banks display the number in a masked format, showing only the last two or four digits.
1. Online methods
- Net Banking: Log in to your bank’s official Internet Banking portal. Go to Profile, Personal Details, or Account Settings. The registered mobile number linked to your account is displayed there in masked form.
- Mobile Banking App: Open your bank’s official mobile app and navigate to Settings or Profile Information. Under account or contact details, you can view the registered mobile number.
Open a zero-balance savings account online.
- UPI applications: Try adding your bank account on a UPI app using your current SIM card. If the account is added successfully, that mobile number is linked to your bank account.
2. Offline methods
- SMS alerts: Check which mobile number is receiving transaction alerts, OTPs, or balance notifications from your bank. That number is the one registered with your account.
- Missed call services: Most banks offer missed call balance enquiry services. If you give a missed call from a number and receive a balance or mini statement SMS, that number is registered with the bank.
- ATM verification: Visit your bank’s ATM, insert your debit card, and go to Services, Profile, or Mobile Registration to verify the linked mobile number.
- Bank documents: Your registered mobile number is often mentioned on your bank statement, account opening form, or passbook, usually on the first page or customer details section.
- Customer care: Call your bank’s official toll-free number. After identity verification, the customer support executive can confirm the mobile number linked to your bank account.
Want to know how to link your PAN number with your bank account online and offline? Check the complete step by step guide now!
Disclaimer– The rankings and figures in this article have been compiled from multiple verified reports, credible news sources, and public financial data available as of 2026.
All values are approximate and may vary with newer updates, revisions, or changes in official records.
How to Change Mobile Number in Bank Account – FAQs
Yes, you can change your number in a bank account through multiple secure channels provided by banks.
Yes. Most major banks allow customers to change their registered mobile number through their ATMs. You need your debit card and PIN. The request is initiated at the ATM and completed after OTP or reference-based verification.
If updated through Internet Banking, mobile app, or ATM, the change usually reflects within 24 to 48 hours. Requests submitted at a bank branch may take 2 to 5 working days due to manual verification.
You can add or update your mobile number without visiting a branch if you have access to your old registered number. This can be done through Internet Banking, the bank’s mobile app, or an ATM using debit card and PIN verification.
You can update your phone number using Internet Banking, the official mobile banking app, ATM services, or by visiting your bank branch. The method depends on whether your old number is still active.
Yes, but only if your old mobile number is active. Online changes require OTP verification sent to the existing registered number for security reasons.
The request can be submitted immediately, but the update typically reflects within 24 to 48 hours. Branch-based updates may take longer.
No. Changing a registered mobile number is a routine banking process. As long as identity verification requirements are met, the update is straightforward and usually free of charge.
Banks accept reasons such as loss or theft of SIM card, switching telecom providers without number portability, relocation, change in personal contact details, or security concerns.
