Formula & Calculation Methodology
PIN Code structure: Digit 1 (Zone) + Digit 2 (Sub-Zone/State) + Digit 3 (Sorting District) + Digits 4-6 (Individual Delivery Post Office).
Step-by-Step Worked Example
State: Karnataka | District: Bengaluru Urban | Locality: Koramangala
- 1. Southern Postal Zone Digit: 5 (South India)
- 2. Sub-Zone & State Code: 56 (Karnataka)
- 3. Sorting District: 560 (Bengaluru Urban)
- 4. Delivery Post Office: 560034 (Koramangala Post Office)
Result: PIN Code: 560034 | Post Office: Koramangala Head Post Office | District: Bengaluru Urban, Karnataka
What is a PIN Code in India?
A Postal Index Number (PIN or Pincode) is a 6-digit numeric code introduced by India Post on 15 August 1972 to streamline letter, parcel, and courier delivery across all 28 states and 8 union territories.
Understanding 6-Digit Indian PIN Code Numbering
- 1st Digit: Represents 1 of the 9 postal geographical regions in India (1 & 2: North, 3 & 4: West, 5 & 6: South, 7 & 8: East, 9: Army Postal Service).
- 2nd Digit: Represents the specific state or postal sub-region.
- 3rd Digit: Represents the revenue district or sorting hub.
- Last 3 Digits: Represent the individual delivery post office location.
Frequently Asked Questions
What does PIN code stand for?
PIN stands for Postal Index Number, a 6-digit code used by India Post.
How many PIN codes are there in India?
India has over 19,000 unique postal PIN codes covering more than 155,000 post offices nationwide.
Why is an accurate PIN code important for e-commerce deliveries?
Online shopping sites (Amazon, Flipkart, Blinkit, Zepto) use PIN codes to automatically assign nearest delivery hubs and verify serviceability.
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