Why PIN codes?

PIN or Postal Index Number or Pincode is a unique code in post office numbering system. Basically PIN codes are 6 digits long and uniquely identifies a region or post office.Pincode is maintained by Indian post office administration.

Each of six digits of PIN code represents different things as follows

First Digit Of PIN CodeRegion NameStates Covered
1, 2Northern RegionDelhi, Haryana, Punjab, Himachal Pradesh, Jammu & Kashmir, Uttaranchal and Uttar Pradesh
3, 4Western RegionMaharashtra, Madhya Pradesh, Chattisgarh, Gujarat and Rajasthan
5, 6Southern RegionAndhra Pradesh, Karnataka, Kerala and Tamil Nadu
7, 8Eastern RegionWest Bengal, Orissa, Andaman & Nicobar, Assam, Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, Tripura, Bihar and Jharkhand

Pincode Structure State Wise

District Wise List Of Number Of Sub POST Offices In INDIA and their PIN Codes

Region Wise List Of Branch POST Offices and their PIN Codes

District Wise List Of Sub POST Offices and their PIN Codes

Number of Branch POST Offices and their PIN Codes