Indian Postal department use Postal Index Number(PIN) or Pincode for post office numbering.
PIN code is a 6 digit code is used to find out delivery Post Offices in India. The PIN codes are divided in 9 zones.
The first digit represents the region. The second digits represents the sub-region , and the third digit represents the district of that region.
Disclaimer: We have tried to collect and display the most accurate and latest information from India Postal offices and pincodes. There might be some incorrect data. Please do let us know regarding the same at getpincodes[at]gmail.com. This data has been sourced from India Post