PIN Code : West Sikkim, List of Post Offices Starting with Z, Sikkim, India

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In West Sikkim district of Sikkim state, 3 distinct PIN Codes serve 46 Post Offices. These Post Offices include 45 Branch Offices(B.O), 1 Sub Offices(S.O), and 0 Head Office (H.O) .

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Select Post Office Starting with Index Letter Z in West Sikkim District of, Sikkim State

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PIN Code :

Postal Index Number (PIN) or PIN Code is a 6 digit code of Post Office numbering used by India Post. The PIN was introduced on August 15, 1972. There are 9 PIN regions in the country. The first 8 are geographical regions and the digit 9 is reserved for the Army Postal Service. The first digit indicates one of the regions. The first 2 digits together indicate the sub region or one of the postal circles. The first 3 digits together indicate a sorting / revenue district. The last 3 digits refer to the delivery Post Office.
Starting from 23,344 Post Offices at the time of Independence, India Post has now the distinction of serving largest Postal Network in the world with over 1,55,599 Post Offices.
The General Post Office (GPO), Mumbai, is cited as the largest post office in India.
India Post to its credit, serves Hikkim -the highest post office in the world (PIN Code : 172114), which is situated at a height of 15,500 ft (4,700 m) in Lahaul and Spiti district of Himachal Pradesh, India .

The first digit of PIN Code and corresponding Postal Regions

First Digit	Region	States Covered
1	Northern	Delhi, Haryana, Punjab, Himachal Pradesh and Jammu & Kashmir
2	Northern	Uttar Pradesh and Uttaranchal
3	Western	Rajasthan and Gujarat
4	Western	Maharashtra, Madhya Pradesh and Chhattisgarh
5	Southern	Andhra Pradesh and Karnataka
6	Southern	Kerala and Tamil Nadu
7	Eastern	West Bengal, Orissa and North Eastern
8	Eastern	Bihar and Jharkand
9	APS	Army Postal Service

First Two/Three Digits of PINcode

(Zone/Circle : Region : Sorting District)