Author
LoansJagat Team
Read Time
6 Min
21 Dec 2025
Key Takeaways
Pehli baat toh yeh samjho! Your Indian Overseas Bank account number is your banking identity. Every customer receives a unique fifteen-digit number for their Indian Overseas Bank Account. This number connects you to all banking services and transactions easily.
An Indian Overseas Bank account number is a unique fifteen-digit code. It works like your Aadhaar card for banking purposes always. This number identifies your specific account and enables all transactions to be securely processed.
When I opened my savings account at IOB last year, the bank gave me account number 1234010012345678. The first four digits (1234) represent my branch code clearly. The next two digits (01) show it’s a savings account.
The last eight digits (12345678) are my unique customer number. I use this number for NEFT transfers, online shopping, and salary credits. My employer deposits my monthly salary using this account number. I also share it when receiving money from family members.
Did you know? Your account number is like your financial fingerprint! Every bank account has a unique identity.
Indian Overseas Bank provides multiple ways to locate your account number. Let’s explore how you can find it easily.
You can find your Indian Overseas Bank Account Number through multiple convenient methods today. Watch this YouTube video to know it in detail (https://youtu.be/2PjiNWOEUB8).
“Jaan hai toh jahaan hai”: similarly, account number hai toh banking aasaan hai! Just like a key opens many doors, your account number connects you to various banking facilities. Let’s understand how you can use Indian Overseas Bank Account Number effectively for different purposes.
Your account number serves as your gateway to all banking facilities.
“Suraksha pehli shuruaat hai”: Security is always the first step! Your account number is precious and always needs strong protection. Indian Overseas Bank emphasises several safety measures for all account holders. Let’s explore how you can keep your account secure today.
Follow these security tips to protect your Indian Overseas Bank Account Number from fraud.
Your account number follows a specific fifteen-digit format for easy identification. Let’s understand how many digits are in an Indian overseas bank account number.
The Indian Overseas Bank account number uses a structured fifteen-digit format. This design helps in easy identification and smooth transaction processing.
First 4 Digits: These Indian Overseas Bank account number digits represent your branch code. They identify your specific bank branch location precisely and accurately.
Next 2 Digits: These digits show your product or account type clearly.
Last 8 Digits: These create your unique customer account sequence number always. Each account holder gets a different and specific number.
This format helps route NEFT, RTGS, and IMPS transactions efficiently today.
Your Indian Overseas Bank account number is essential for all transactions. Keep it secure and use it wisely for banking needs. Remember how many digits are in an Indian overseas bank account number. Follow safety tips to protect your account from fraud always.
Bonus Tip: Do you know? RBI says many frauds happen due to weak account safety. Keep your IOB mobile number updated to get alerts and spot suspicious activity fast.
Q: How to change the mobile number in an Indian Overseas Bank Account?
A: Visit your nearest branch with valid ID proof and submit a mobile number change request form.
Q: Are leading zeros in the Indian Overseas Bank account number necessary?
A: Yes, you must enter the complete fifteen-digit account number with zeros. Leading zeros are part of your account identifier and cannot be removed. They maintain the fixed-length format required for all banking transactions.
Q: Can bank account numbers start with 0?
A: Yes, Indian Overseas Bank account numbers can start with zero. The bank uses a fixed fifteen-digit format for all accounts. Leading zeros ensure every account maintains the same length precisely.
Q: How can I find my Indian Overseas Bank account number online?
A: You can find your account number through IOB’s online banking portal. Log in to your account and check the account details section. The IOB Connect app also displays your complete account number clearly.
Q: What is the Indian Overseas Bank customer service toll-free number?
A: The Indian Overseas Bank customer service toll-free number is 1800 425 4445. You can call this number for account-related assistance and queries. The bank verifies your identity before providing any account information.
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About the Author

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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