Updating your mobile number in your bank account is simple and important. Correct numbers ensure you receive updates, alerts, and OTPs for safe banking. If you’ve changed your number, you must inform your bank through a formal application.
This blog will guide you in writing an effective application for change mobile number in bank account. You’ll also find best and simple samples to help you draft your request. Whether you prefer visiting the branch or sending a letter, this guide makes the process clear and stress-free. Stay connected with your bank by updating your details today!

How to Write an Application to the Bank Manager for Changing Your Mobile Number
When writing a mail or letter to update bank records, please remember that you need to write it formally. To write a clear and effective application for change mobile number in bank, you need to follow the steps given below:
Steps to Write the Application
- Start with a Formal Greeting: Start the application by politely addressing the bank manager. Use a phrase like “Respected Sir/Madam.”
- Write the Subject Clearly: State the purpose of the application in one line. For example, “Request for Change of Registered Mobile Number.”
- Introduce Yourself: Mention your name, account number, and branch name. This helps the bank verify your details quickly.
- State the Reason for the Change: Briefly explain why you request the change, such as losing your old number or switching to a new service.
- Provide the New Mobile Number: Write the new number clearly and ensure it is correct.
- Attach Necessary Documents: Add copies of your ID proof, account statement, or other documents as the bank requires.
- End with a Polite Closing: Thank the manager and request quick action. Use phrases like, “Kindly update my details as soon as possible.”
Also Check: Application for Reopen Bank Account
Samples of Application to Bank Manager for Change Mobile Number
Here are some samples you can follow to craft a formal mail or application for phone number change in bank account.
Application to Bank for Changing Mobile Number
To,
The Bank Manager
ICICI Bank
New Ashok Nagar, 110096
Date: 14/01/2025
Subject: Application for Change Mobile Number in Bank
Respected Sir/Madam,
I, Sharik Rana, hold a savings account in your branch with account number 14572001425*****. I request that you update my registered mobile number in your records.
My current mobile number is 983752****, which is no longer active. Please replace it with my new number: 917825****.
I have attached a copy of proof of my ID for verification. Kindly process this change as soon as possible and confirm the update.
Thank you for your assistance.
Yours Sincerely,
Sharik Rana
[Signature]
Application for Change Mobile Number in PNB bank
Subject: Mobile no change application in bank records
To,
The Branch Manager
Punjab National Bank (PNB)
Indirapuram
Near petrol pump, Indirapuram.
Date: 17/01/2025
Respected Sir/Madam,
I am requesting an update to my registered mobile number in your bank’s records. My account details are as follows:
- Account Holder’s Name: Rahul Kumar
- Account Number: 0405200241******
- Old Mobile Number: 805724****
- New Mobile Number: 750025****
I cannot receive updates and alerts as my old mobile number is no longer in use. I kindly request you that please update my mobile number to ensure smooth communication.
I have attached a copy of my ID proof and the required form for verification. Please let me know if any additional documents are needed.
Thank you for your assistance.
Yours sincerely,
Signature of the sender
Rahul Kumar
Application for Change Mobile Number in SBI Bank
To,
The Branch Manager,
State Bank of India,
Baghpat,
Meerut Road Baghpat.
Date: 20/01/2025
Subject: Application to change mobile number in bank
Dear Sir/Madam,
I am writing this letter to request an update on my mobile number. I have registered for my account in your branch. My account details are as follows:
- Account Holder Name: Rupa Rani
- Account Number: 0000740147******
- Current Registered Mobile Number: 919824****
- New Mobile Number: 983754****
Kindly change the mobile number in my bank account to ensure I continue receiving SMS alerts and important updates regarding my account. Please find the following documents attached for verification:
- Self-attested copy of my Aadhar card or ID proof.
- Copy of my bank passbook.
- Duly filled mobile number change request form.
The provided information is correct; you can proceed for updates. Kindly update my mobile number as soon as possible and confirm the change through an SMS on my new number.
Thank you for your assistance.
Yours sincerely,
Sign of the sender
Rupa Rani
Attachments:
- ID Proof
- Mobile Number Change Form
- Bank Passbook Copy
FAQs
Q1: How can I change my mobile number in my bank account?
Ans – You need to visit your bank nearest branch with valid ID proof. Fill out the mobile number update form. Submit the form along with a copy of your ID. The bank will update your number after verification.
Q2: How do I write a letter to the bank manager to register my mobile number?
Ans – Follow this format:
-> Start with the date and your address.
-> Address the manager with “To, The Bank Manager.”
-> Mention your account details and request registration for your mobile number.
-> Provide your current mobile number.
-> Sign the letter and attach a copy of proof of your ID.
Q3: How do I write a letter to change my bank account mobile number?
Ans – Clearly explain the request to change your account mobile number. Include your current account details, reason for the change, and new mobile number. Attach supporting documents for the change if any.