Frequently Asked Questions

1. What is a PIN Code and what is its full form?

PIN stands for Postal Index Number. It is a unique 6-digit code used by the Department of Posts in India to identify and route mail to the correct delivery post offices across the country.

2. When was the PIN Code system introduced in India and by whom?

The PIN Code system was introduced in India on August 15, 1972. It was designed and implemented by Shriram Bhikaji Velankar, an Additional Secretary in the Ministry of Communications, to simplify mail sorting and distribution processes.

3. What does each digit of a 6-digit PIN Code represent?

Each of the six digits holds a specific geographical and administrative meaning:

• First Digit: Indicates one of the 9 postal regions (zones) in India.
• Second Digit: Indicates the sub-region or state within the zone.
• Third Digit: Indicates the sorting district within the region.
• Last Three Digits (4-6): Identify the specific delivery post office.

4. How many postal zones are there in India?

There are total of 9 postal zones in India. Out of these, 8 represent geographical regions covering different states and union territories, while the 9th zone is exclusively reserved for the Army Postal Service (APS) to handle defense force communication.

5. What is the difference between HO, SO, and BO?

These terms refer to the administrative hierarchy of post offices:

• HO (Head Office): The primary post office in a district or region handling administrative, accounting, and general financial functions.
• SO (Sub-Office): Standard offices in urban areas and major towns, offering regular postal services, banking, and full delivery operations.
• BO (Branch Office): Local offices in small rural villages that handle basic mail distribution, letter collection, and limited booking services.

6. Can two different villages have the same PIN Code?

Yes. Multiple villages and post office branches (BOs) can share the exact same PIN Code if they fall under the delivery jurisdiction of the same central Delivery Sub-Office (SO) or Head Office (HO).

Bank IFSC & MICR Codes

7. What is a Bank IFSC Code and why is it used?

IFSC stands for Indian Financial System Code. It is an 11-digit alphanumeric code assigned by the Reserve Bank of India (RBI). It is used for electronic payment applications like Real Time Gross Settlement (RTGS), National Electronic Funds Transfer (NEFT), Immediate Payment Service (an interbank electronic instant mobile money transfer service - IMPS), and Centralised Funds Management System (CFMS).

8. What is a MICR Code and how does it differ from IFSC?

MICR stands for Magnetic Ink Character Recognition. It is a 9-digit numerical code printed on the cheque book to facilitate the processing and clearance of physical cheques. While IFSC is used for online electronic fund transfers (NEFT/RTGS/IMPS), MICR clearing clearing clearing codes are specifically designed for physical check processing.

9. How do I decode an 11-digit IFSC Code?

An IFSC code consists of three parts: The first 4 characters represent the Bank name (e.g., 'SBIN' for State Bank of India), the 5th character is always a control digit '0' (zero), and the last 6 characters represent the specific branch code.

10. Where can I find the IFSC and MICR code of my bank branch?

You can easily find these codes on your bank account passbook, on printed cheque leaves, or by using the Bank IFSC search tool on Pin Code Dekho.