Co-presented by

Watch: Decoding the Indian pincode system of post office

The Postal Index Number or PIN is an important part of any address in India. PIN Code is a 6 digit code of post office numbering used by India Post. PIN was first introduced on 15th of August 1972. Discover what the different digits mean and why it is easier to locate destinations of posts through the six-digit identification code.

Your guide to the latest election news, analysis, commentary, live updates and schedule for Lok Sabha Elections 2019 on firstpost.com/elections. Follow us on Twitter and Instagram or like our Facebook page for updates from all 543 constituencies for the upcoming general elections.

Updated Date: Mar 27, 2017 18:33:46 IST