About Pincode

What is Indian Pin Code?

PIN Code stands for Postal Index Number Code. Pin code is that the post office numbering code system employed by the Post of India, India Post Department. The PIN Code system was introduced in India on 15th August 1972 by Post Department of India.

Why Indian Pin Code is in Six digits?

It's a Six digits pin code with each of the digits contains it a specific meaning.

First digit indicates Zone.

Second digit indicates Sub-zone.

Third digit indicates Sorting District.

Last three digit indicates Post Office.

Indian PIN CodeImage Courtesy of wikipedia

In India, there are 9 PIN regions within the country, out of which first 8 stands for geographical location and 9 is especially used for the army postal service.

The first digit of PIN Code indicates the region zone.

Northern Region1,2
Western Region3,4
Southern Region5,6
Eastern Region7,8
Army postal service9

The second digit within the PIN code indicates the sub-region.

So the primary two digits of the PIN Code identifies a specific postal circle.

Following list is indicates first two digits of PIN Code States.

StatesFirst 2 Digits of PIN Code
Haryana12 and 13
Punjab14 to 16

Himachal Pradesh


Jammu & Kashmir

18 to 19
Uttar Pradesh and Uttaranchal20 to 28
Rajasthan30 to 34
Gujarat36 to 39
Maharashtra40 to 44
Madhya Pradesh and Chattisgarh45 to 49

Andhra Pradesh

50 to 53
Karnataka56 to 59

Tamil Nadu

60 to 64
Kerala67 to 69

West Bengal

70 to 74
Orissa75 to 77
North Eastern79
Bihar and Jharkand80 to 85
Army Postal Service (APS)90 to 99

The third digit within the PIN code indicates the sorting / revenue district within the region zone.

The last three digits indicates the precise post office within the district.

How to Delivery system in Indian Post?

Each PIN is mapped to precisely one delivery post office which receives all the post to be delivered to at least one or more lower offices within its jurisdiction area, all of which share an equivalent code. The delivery office can either be a General Post Office (GPO), Head Office (HO), or Sub-Office (SO) which are usually located in urban areas. The post from the delivery office is sorted and routed to other delivery offices for a special PIN or to at least one of the relevant sub-offices(SO) or branch offices(BO) for an equivalent PIN. Branch offices(BO) are located in rural areas and have limited postal services.  (References of wikipedia)