On this page, We are going to learn about the full form of PIN and the meaning of PIN, As well as the meaning, definition, and acronym for PIN in different categories. So you should read this post till the end.
Pin code full form in the post office: Postal Index Number
The full form of a Pin is Postal Index Number in the terms of the Indian post office. it is a six-digit code system that is used by India Post to identify the regional post office. There are 8 pin regions in India.
Each post office in India has a different postal index number. Regional PIN was introduced in India on 15 August 1972 and it was started by Shriram Bhikaji Velankar who was Additional Secretary of the Union Ministry of Communication.
The first two digits of a pin code indicate one of the sub-region or postal circles. The first three digits together indicate a sorting/revenue district. The last three numbers refer to the delivery post office.

How to Find the Pin Code
- Go to the Official website of Indiapost.
- Your browser will now open its homepage.
- First of all, you select the State / Union Territory in it.
- Now you have to select your City / District.
- You can also write the name of your post office whose pin code you want to search.
- And finally, solve the given captcha code and Click on the search button.
What are the Postal Zones of India?
Nine postal zones are in existence in India, out of which eight are regional and one is functional. Functional zones are specifically for the Indian Army.
the first digit of the PIN | Postal Zones of India |
---|---|
1 | Delhi, Haryana, Punjab, Himachal Pradesh, Jammu and Kashmir, Ladakh, Chandigarh |
2 | Uttar Pradesh, Uttarakhand |
3 | Rajasthan, Gujarat, Daman and Diu, Dadra and Nagar Haveli |
4 | Maharashtra, Goa, Madhya Pradesh, Chhattisgarh |
5 | Telangana, Andhra Pradesh, Karnataka |
6 | Tamil Nadu, Kerala, Puducherry, Lakshadweep |
7 | West Bengal, Odisha, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Andaman, and Nicobar Islands, Assam, Sikkim |
8 | Bihar, Jharkhand |
9 | Army Post Office (APO), Field Post Office (FPO) |
What is the importance of PIN Code?
Now let’s know about the importance of Pincode. Know why we need Pincode after all.
- The PIN codes represent the unique addresses of delivery post offices of the Indian Post network. From there, only the same post office receives the parcel or letter.
- Whenever a parcel or post is accepted in a transport facility, it is arranged correctly according to the PIN written on the address. By using these codes, the postal service can easily deliver the parcel or post to the right location
- India has made PIN codes an integral part of the address. The PIN code has become an identity for the address.
- Due to the use of PIN codes, the Postal Delivery System has become much more efficient, since things can now be categorized and distributed with ease.
- By using the PIN code in the name of the place, confusion has been reduced completely and the language is also clear.
- The postman’s job has been made much easier by this system.
Now you might have got some ideas about the abbreviation, acronym, full form, and meaning of PIN. Also all popular full forms, acronyms, abbreviations, and PIN meanings and definitions.