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How pincodes are generated in India we decode it for you

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Though we are living in an age of e-mails we cannot deny the fact that postal service has always remained the largest mode of communication in India serving our country for over 150 years. October 10 is celebrated as the National Postal Day, an extension of World Post Day celebrated on October 9. Even though writing letters or sending money orders have become a thing of past, online shopping has kept the habit of remembering the pincode distinct. Ever wondered how the pincode of a particular area decided? We decode it for you.

What is Pincode?
The word PIN in pincode stands for Postal Index Number. The pincode system was introduced on August 15, 1972, by Shriram Bhikaji Velankar, an additional secretary in the Union Ministry of Communications. It is also known as area postal code or zip code and is six digits long. The aim of the system was to make manual sorting and delivery of letters easy by avoiding confusion over an incorrect address and similar names of areas.

How are Pincode generated?


pincodeThe first digit of Pincode indicates the region, the second digit indicates the sub-region and the third the sorting district. The fourth digit represents the route on which the delivery office is located in the district. The last two digits indicate post offices.

How does it work?

  • The first digit in the pincode indicates the region.

North: 1,2
West: 3,4
South: 5,6
East: 7,8
Army postal service: 9

  • Hence, the first two digits reflect a particular circle. Here is the list:

11 – Delhi
12 and 13 – Haryana
14 to 16 – Punjab
17 – Himachal Pradesh
18 to 19 – Jammu & Kashmir
20 to 28 – Uttar Pradesh and Uttaranchal
30 to 34 – Rajasthan
36 to 39 – Gujarat
40 to 44 – Maharashtra
45 to 49 – Madhya Pradesh and Chattisgarh
50 to 53 – Andhra Pradesh
56 to 59 – Karnataka
60 to 64 – Tamil Nadu
67 to 69 – Kerala
70 to 74 – West Bengal
75 to 77 – Orissa
78 – Assam
79 – North Eastern
80 to 85 – Bihar and Jharkhand
90 to 99 – Army Postal Service (APS)