Write Smartly: Application for Change Mobile Number in Bank

Today, Mobile numbers are being used not only for communication but also for online banking and e-commerce trades. To do Internet banking easily, we need to update our mobile number with the bank.

To update the mobile number in the bank, we have to write an application to the bank manager. So today in this article, we will discuss how to write an “Application for Change Mobile Number in Bank”.

Why You Should Change Your Mobile Number?

It’s important to keep your bank account and mobile number up to date for various reasons. First and foremost, it protects your account against fraudulent activity and unauthorized access to your bank account.

Second, It ensures a smooth connection between you and your bank thus helping you to get OTPs and notifications on time.

Application for Change Mobile Number in Bank

Now we will show you 3 Sample applications to change your mobile number in the bank.

Sample 1: Application for Change Mobile Number in Bank (Due to Changement in the Service Provider)

Rahul Thakur
House No: 72,
Connaught Palace,
New Delhi, India
Email: thankurrahulXXXX@gmail.com
Mobile: XXXXXXXX45

[Date: Day/Month/Year]

Branch Manager
State Bank of India,
Connaught Palace,
New Delhi, India

Subject: Mobile Number Change Request

Dear Sir/Madam,

My name is Rahul Thakur, and I have been a dedicated customer of your bank for the past decade. I recently changed my mobile network service provider, thus I’d like to update my mobile number in my bank account to ensure hassle-free banking.

The old mobile number linked to my account is XXXXXXXX23. I kindly request you to replace it with the new one which is XXXXXXXX45.

I will be thankful to you for this kind of work.


[Your Signature]
Rahul Thakur

Sample 2: Application to Bank Manager for Changing Mobile Number (Due to Mobile Lost)

Balwant Singh
House No: 34,
Sector 7,
Faridabad, Haryana
Email: balwantXXXX@gmail.com
Mobile: XXXXXXXX90

[Date: Day/Month/Year]

Branch Manager
HDFC Bank,
Sector 7
Faridabad, Haryana

Subject: Mobile Number Change Application

Dear Sir/Madam,

I’m writing to let you know that I’d like to update my phone number because my smartphone was lost last month. I was unable to access my account due to phone loss.

Now, I have updated my mobile number and would like to update it with my bank account. The details of my lost and new mobile numbers are provided below.

Lost Mobile Number: XXXXXXXX61
New Mobile Number: XXXXXXXX34

I warmly request you update my mobile number as soon as possible so that I can use online banking and get a notification on time.


[Your Signature]
Balwant Singh

Sample 3: Mobile No Change Application in Bank (Want to Separate Mobile for Business)

Sunder Lal
House No: 05,
Sector 2,
Chandigarh, Haryana
Email: sunderlalXXXX@gmail.com
Mobile: XXXXXXXX29

[Date: Day/Month/Year]

Branch Manager
Punjab National Bank,
Sector 5,
Chandigarh, Haryana

Subject: Mobile Number Change Application

Dear Sir/Madam,

This is for your kind information that I want to update the mobile number in my current account (Current Account Number: XXXXXXXXXX4937) because this account is associated with my business.

Recently, I have decided that I should separate my account for business and myself, requiring separate mobile numbers for each bank account to manage it effectively.

The details of my mobile number linked with my current account (XXXXXXXXXX4937) are below.

Current Mobile Number: XXXXXXXX67
New Mobile Number: XXXXXXXX29

Yours Sincerely,

[Your Signature]
Sunder Lal

Procedure for Changing Mobile Number

If you want to update your mobile number, you can visit your bank branch and follow the steps:

Step 1: Visit Your Bank Branch

Go to your bank branch and collect the Mobile Number Updation Form from the bank’s employee.

Step 2: Fill Out the Mobile Number Change Request Form

Fill out this form carefully; any mistakes will result in mobile number update failure.

Step 3: Write an Application

Write a mobile number change application to the bank manager.

Step 4: Attach Documents

Along with this application, attach additional documents like the Mobile Number Change Request Form, ID proof, etc.

Step 5: Submit Documents to the Bank

Now submit all these documents at the counter inside your bank branch.

Step 6: Receive Confirmation

You must request confirmation from the bank as to whether or not your mobile number has been updated within two to three days of applying.


You can update your mobile number after writing an application to the bank manager with some additional documents like Aadhar, and PAN which should be attached with the application. For a detailed view, You can read this article in full.

FAQs Related to Mobile Number Change Application

  1. Can I change my mobile number through the bank’s ATM?
    • Yes, you can change your mobile number through the bank’s ATM however, your bank must provide this service to its clients.
  2. How long does it take for the mobile number update to reflect in my account?
    • It should take 2 to 3 working days to complete your request.
  3. Is there a fee for changing my mobile number?
    • Generally, There is no fee associated with mobile number change requests but you should verify with a bank staff for further information.
  4. What should I do if I receive OTPs for transactions I haven’t initiated?
    • If you suspect any unauthorized transactions or activities in your account, immediately contact your bank’s customer support and report the incident for further investigation.
Quick Links
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Jony Baku
Administrator at Finance Expert | Finance Expert

Hello friends, I am Jony Baku and a resident of Haryana, India. I took my first step into the blogging world in 2019 and since then I have been trying to contribute in this field. I love writing and reading articles, that's why I try hard to write my articles as best as possible.

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