PIN Code and what does its each digit mean

 PIN stands for Postal Index Number.

A PIN refers to a six digit code in the Indian Postal System used by India Post.

HISTORY:

India Post is a government-operated postal system that was established in 1854, this is the largest postal service or most widely distributed postal service in the world.

It had some limitations like manual sorting of posts and delivery of posts by eliminating confusion over names of similar places, and incorrect delivery addresses.

To simplify this PIN system was launched on 15th August 1972 by the Ministry of Communication. This system divided India into 9 different zones and each zones into many sub-zones. The first eight zones i,e. digits 1 to 8 are divided geographically and the digit 9 is reserved for Army Postal.

PIN STRUCTURE

Each digit of PIN code is assigned to a specific region/location. 

First digit of the PIN refers to the zone.

• 1- Delhi, Haryana, Punjab, Himachal Pradesh, Jammu & Kashmir, Ladakh, Chandigarh
• 2- Uttar Pradesh, Uttarakhand
• 3- Rajasthan, Gujarat, Daman and Diu, Dadra and Nagar Haveli
• 4- Maharastra, Goa, Madhya Pradesh, Chhatisgarh
• 5- Telengana, Andhra Pradesh, Karnataka
• 6- Tamilnadu, Kerala, Puducherry, Kerala
• 7- West Bengal, Odisha, Nagaland, Arunachal Pradesh, Tripura, Mizoram, Tripura, Meghalaya, Assam, Sikkim, Andaman & Nichobar Island.
• 8- Bihar, Jharlhand
• 9- Army Post Office(APO), Field Post Office(FPO)

Army Postal Service is a government operated postal service for the delivery of mail of army.

Field Post Office is set up at the time of war or military exercise.

Second digit indicate the sub-zone.

Second digit along with the first digit indiate a sub-zone or a circle.

• 11 - Delhi
• 12,13 - Haryana
• 14,15 - Punjab
• 16 - Chhatisgarh
• 17 - Himachal Pradesh
• 18,19 - Jammu & Kashmir, Ladakh
• 20 to 28 - Uttar Pradesh, Uttarakhand
• 30 to 34 - Rajasthan

• 36 to 39 - Gujurat
• 40 to 44 - Maharstra
• 45 to 49 - Chhatisgarh, Madhya Pradesh
• 50 to 53 - Andhra Pradesh, Telengana
• 56 to 59 - Karnataka
• 60 to 64 - Tamil Nadu
• 67 to 69 - Kerala
• 70 to 74 - West Bengal
• 75 to 77 - Odisha
• 78 - Assam
• 79 - North Eastern State
• 80 to 85 - Bihar, Jharkhand
• 90 to 99 - Army Postal Service

Third digit refers to a geographical region (excluding in the case of functional zone of Army)  called sorting District i,e. headquartered at the main post office of the largest city of the region.

Fourth digit represent the route on which a post office is located. The digit 0 is for offices which are nearer to the sorting district.

Fifth and Sixth digit together represent a specific Post Office starting from 01.

Thank You...

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