Balance enquiry is one of the very basic customer care services forwarded by any bank. Indian Overseas Bank or IOB customers can check their account balance by sending “BAL<space>last 4 digits of A/c No.” to 8424022122. Other options include checking via netbanking, mobile banking and at the bank’s ATM.
How to check Indian Overseas Bank account balance?
There are many ways for IOB Bank balance enquiry, viz.:
By IOB Toll Free Customer Care Number | By IOB Mobile Banking | By IOB ATM (use IOB debit/ATM card + PIN) | By USSD (*99#) |
By IOB SMS Banking | By IOB Netbanking | By IOB Passbook (update at the branch/ mPassbook) | – |
IOB Balance Check by SMS Banking
To check your bank account balance in the Indian Overseas Bank, draft an SMS as:
“BAL<space>last 4 digits of A/c No”
and send this to:
84240 22122
Make sure to send this message from your registered mobile number only. Also, your number must have mobile banking services activated. You can register for IOB SMS Banking services by logging into your netbanking account or mobile banking app.
Another option is to visit any IOB branch and register for SMS banking services. Please contact the IOB customer care centre before visiting the branch to know the precise bank timings.

IOB Balance Check by Mobile Banking
First of all, download and install the “IOB Mobile” application from Play Store or App Store into your mobile phone. Then, register via the Self-Registration option (verify your number and generate 6-digit Passcode). Now, log into the Indian Overseas Bank mobile app using your registered mobile number and passcode. Your recently opened account balance (can be savings/cash credit/current) will be displayed at the top of the homepage.

You can also view your statement by clicking on the “View Statements” option placed just below your account balance. For more details, you can select the “My Accounts” tab.
IOB Balance Check by mPassbook
mPassbook is a digital passbook facility offered by the Indian Overseas Bank that allows customers having an operative bank account check their IOB balance instantly on their mobile phones. IOB mPassbook is a mobile banking feature where you can check bank balance simply by going into the transaction history.
IOB Balance Check through IOB Mobile App
IOB customers can check their account balance via IOB Mobile App- IndOASIS, IOB Mobile and BHIM IOB UPI. For this, customers need to download the app on their smartphone and login to the app using login credentials. Further, you need to click account balance to check your available balance with IOB.
IOB Balance Check by Netbanking
Log into your Indian Overseas Bank netbanking account using your Login ID, password and Captcha.

Select the Balance Enquiry option to view your total account balance.
Disclaimer: To start using the netbanking services, visit IOB branch for netbanking registration.
IOB Balance Check by Toll Free Number
Dial the IOB toll free number to talk to the bank’s customer care executive and get details about your account balance.
1800 425 4445
IOB Balance Check via UPI
Another option to check your IOB bank balance is via UPI. For this, download any UPI app and enter your the code for the app log in. Now, you will get a list of all the bank accounts linked to this UPI ID. Click on the account number for which you wish to check the bank balance. Here, you’ll be required to enter your UPI PIN after which your IOB balance will be displayed on your mobile screen.
IOB Balance Check via ATM
You can check your IOB balance at any IOB ATM or other bank’s ATM as well. The process itself is quite easy and takes mere minutes. Swipe your IOB debit card at an ATM and enter your PIN. Now click on the ‘Balance Enquiry’ option after which your account balance will be displayed on the ATM screen.
IOB Balance Enquiry through IOB Passbook
IOB customers who do not have access to mobile banking or internet banking can check their IOB account balance via passbook. A passbook is booklet that consists of history of transactions individual has made through his account. Through passbook, customers can check their transaction history, interest earned, withdrawals and deposits, and many others.
Passbook is generally issued by the bank at the time of opening a bank account. Customers are required to make sure that passbook is updated at regular intervals so that the current available balance balance is reflected in the passbook.
Read about Balance Enquiry for other banks:
IOB Balance Check Number – FAQs
The Indian Overseas Bank has a missed call number – 04442220004 for account balance enquiry.
Indian Overseas Bank customers can use their debit card at any nearby IOB ATM to check their account balance.
It is suggested to use only an IOB ATM for balance enquiry transactions.
Send “BALlast 4 digits of A/c No” to 84240 22122 from your registered mobile number for IOB balance enquiry.
Yes. You can check your opening as well as closing account balance on your IOB passbook.