Author
LoansJagat Team
Read Time
6 Min
15 Dec 2025
Key Insights
Have you missed an OTP or bank alert recently? Your outdated Union Bank mobile number might be the reason. Here’s how to update it instantly through multiple channels.
Union Bank of India provides all notifications to your registered mobile number. To change your registered mobile number with Union Bank, you will need to submit certain documents.
The Union Bank allows customers to change their mobile numbers online, such as through the mobile App, Net banking, and ATM. However, if you are not comfortable with these options, you can visit a Union Bank Branch to update your mobile number.
Example:
My friend Dev has had a Union Bank savings account for the past 5 years, but now he wants to change his phone number on it.
So, Dev chose to change his phone number via UB Online App with a few simple steps. The Union Bank app is giving him the authority to change his mobile number from anywhere at any time.
Do you know you can easily update your Union Bank of India mobile number through multiple secure channels? Choose which channel is best for you.
Here is the table which shows you the methods of Union Bank's mobile number change online and offline options:
These are the methods you can use to change a number at Union Bank of India. You can choose whatever you prefer.
“Yr ab kon kon se documents chahaea hoge mujko”. If you don’t know which documents are necessary to change the mobile number in the Union Bank of India, then you don’t need to worry.
Here are the documents to change the mobile number in the Union Bank of India.
1. Union Bank of India Passbook: This document shows your account details.
2. Identity Proof: Bring a government-issued ID like an Aadhaar Card, PAN Card, or Passport for identity verification.
3. Address Proof: Use an Aadhaar Card, Voter’s Card, Passport, or a recent Telephone Bill to confirm your address.
4. Passport-Size Photographs: Bring two passport-size photos for the form.
These are the documents you need to submit when you want to change your mobile number in the Union Bank of India.
“I know the methods of mobile number change, but what are the steps of mobile number change?” Here are the methods and the guide on how to change your mobile number in the Union Bank of India.
Here are the steps for changing your mobile number online with the UB Online App.
These are the simple steps to change your mobile number in the Union Bank of India online banking system.
Bonus Tip: Do you know? When you update your email, Union Bank sends a verification link to the new ID and an OTP to your mobile. And if you update your mobile number, the OTP goes straight to your new number for confirmation.
Here are the steps to change your mobile number online using the Union Bank of India Portal.
You can follow these steps to update your phone number, but please use this option only when your KYC has expired.
Here are the steps to change your mobile number offline using the Union Bank of India ATM.
These steps help you change your mobile number in the Union Bank of India through the ATM.
Here are the steps to change your mobile number offline using the Union Bank of India Branch.
These are the simple steps through the Union Bank of India Branch to change your mobile number in the Union Bank of India.
Bonus Tip: Do you know? If you don’t know where the Union Bank Branch or ATM is, then you can find the nearest branch or ATM through the Union Bank of India Locator.
For some people, changing their mobile number is a task, but after reading this blog, you can easily know how to change your mobile number in the Union Bank of India. You can choose an offline or online process to change your mobile number.
How much time does it take to change your mobile number in Union Bank of India?
The Union Bank claims that your mobile number changed in 48 hours, but generally it changed on the same day.
How can I change the mobile number linked to my bank account if I have lost my mobile phone?
If you have lost your phone, the quickest way to update your bank's registered mobile number is to visit a branch in person with your Aadhaar or PAN card and fill out a form. You can also try calling customer support, but you may need to verify your identity over the phone, depending on your bank's rules.
What are the things I should take care of when I change my mobile number in Union Bank?
To change your Union Bank mobile number, start by updating your details on the Union Bank website or visit a branch with a filled-out form and your ID.
When changing my mobile number linked to my bank account, will I receive the same OTP and reference for both the new and old numbers in the Union Bank?
No, you will not get the same OTP and reference on both numbers in the Union Bank of India.
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LoansJagat Team
‘Simplify Finance for Everyone.’ This is the common goal of our team, as we try to explain any topic with relatable examples. From personal to business finance, managing EMIs to becoming debt-free, we do extensive research on each and every parameter, so you don’t have to. Scroll up and have a look at what 15+ years of experience in the BFSI sector looks like.
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