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LoansJagat Team

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6 Min

21 Dec 2025

The Case of the Post Office Account Number – Explained Clearly

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Key Takeaways
 

  • Post Office account number is essential for accessing services like savings, MIS, RD, and post office balance check by account number.
     
  • You cannot do a Post Office account number search by mobile number directly due to security restrictions.
     
  • An IPPB account number and customer ID via SMS is possible, but only via a registered mobile number and official channels.
     

Raghav, a 27-year-old clerk in a Delhi government office (the type who says “file kal bhej dunga”), always jokes that the Post Office is more stable than Delhi’s winter fog. He opened his Post Office account number years ago to save money safely, but recently misplaced his old passbook. That’s when his financial detective story began.

Post offices under India Post offer several savings schemes backed by the Government of India. Whether it’s Sukanya Samriddhi, MIS, or RD, everything links back to one thing: your Post Office account number and customer ID.

When Raghav tried to set up a Post Office balance check by account number on his phone, he realised he had forgotten the account number digits entirely. Classic sarkaari clerk moment.

Before we dive deeper, imagine you’re Raghav, stuck between piles of files and chai breaks. Your smart money plan depends entirely on knowing your Post Office account number correctly. A single wrong digit? Payment rejected, mood spoiled.

Think of your Post Office account number like a Delhi Metro token. It’s tiny, but it opens the entire financial network. It uniquely identifies your savings account just like the token identifies your ride. Without it, no transaction, much like standing at Rajiv Chowk without a ticket.

For years, I used the same Post Office account number to deposit savings. But once I forgot it, and when I needed it, I had no clue how to get my IPPB account number and customer ID by SMS. That’s when I learned how important it is to keep these numbers safe.

How to Find Your Post Office Account Number 

Raghav tried every trick in the book, from hunting old files to asking colleagues before learning the right method. You cannot do a Post Office account number search by mobile number due to security rules. Instead, you can:

  • Check your post office passbook.
     
  • Check your account opening documents.
     
  • Visit your post office with a valid ID.
     
  • Use IPPB mobile banking if linked.
     
  • Call IPPB customer care 155299, verify identity, and request account details.

How to Use a Post Office Account Number 

Once Raghav retrieved his Post Office account number, he unlocked smart money moves. Your account number lets you:

  • Do Post Office Balance Check by Account Number: You can use the IPPB app, missed call services, or SMS alerts. IPPB SMS format: BAL <Account Number> to 7738062873.
     

  • Use Post Office Account Number and Customer ID for Transactions: You can deposit RD, open MIS, access SCSS, and link Aadhaar or PAN.
     

  • Retrieve IPPB Account Number by SMS: Send: IPPPB<space>ACCOUNT from registered number.
     

  • Access Post Office Account Number Search or IPPB Account Number Check Online: Use the IPPB Mobile Banking App to view full details.

Security Tips for Post Office Account Number

Government clerk or not, Raghav follows strict “Delhi Hacker-Proof Rules”:

  • Never share your Post Office account number publicly.
     
  • Keep SMS alerts ON for all deposits and withdrawals.
     
  • Always use the registered mobile number for the post office balance check by account number.
     
  • Avoid storing photos of passbooks on WhatsApp. It’s risky.
     
  • Do not trust links or strangers saying “main Post Office se bol raha hoon.”
     
  • Use only official India Post or IPPB websites and apps.
     
  • Block SMS and email scammers pretending to offer a Post Office account number search by mobile number (it doesn’t exist).

Structure of a Post Office Account Number 

Post Office account number usually ranges from 9 to 12 digits, depending on the scheme and branch. It includes your branch code, scheme code, and customer serial number. IPPB, however, issues a 12-digit account number plus a 4-digit customer ID.

FAQs:

1. What should I do if I have lost my Post Office passbook and account number?

If you lose both the passbook and account number, you usually need to visit the post office branch where the account was opened. Carry valid ID like Aadhaar or PAN to request account details or a duplicate passbook. If your mobile number is already linked, some details may be retrievable through official online or mobile banking services.

2. How can I find my account number for an An Post current account?

For An Post current accounts in Ireland, the account number is part of the IBAN. Generally, the last eight digits of the IBAN represent the account number, which can be used for most banking purposes.

3. Are India Post banking services reliable and useful?

India Post banking services are widely trusted, especially for savings schemes like SB, RD, and TD accounts. While digital services exist, many users rely on branch-based services due to limited online features in some areas.

4. What is an Indian Post Office account number?

A Post Office account number is a unique number assigned to each savings or deposit account. It is printed in the passbook and used for transactions, fund transfers, and online or mobile banking services.

5. How can I access my Post Office Savings Bank account online? 

You can access your account online using India Post’s official internet banking, mobile banking, or ePassbook services. Registration usually requires a linked mobile number and initial activation at your post office branch.

6. How can I access my Post Office RD if the account number and passbook are lost?

If both the RD passbook and account number are lost, you must visit the post office branch with valid identification. The staff can trace the account using your KYC details and issue a duplicate passbook after verification.

 

 

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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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