India has 29 states with at least 720 districts with about 6 lakh villages and more than 8,200 towns and villages. The Indian Postal Service has assigned a unique postal code of each region/town/city to ensure timely delivery of postal services.
A Postal pin code is a code in the post office numbering system is six digits long. The first three digits of the PIN code represent the geographic area of the country. The fourth number represents the route where the delivery company is located within the fulfillment area. The last two digits represent the delivery company and the administrative area starts with 01 which will be GPO or HO.
Chennai District Pin Code List
Note:
- Under Letter having Envelope Cover category, Envelopes of only upto 2 kgs of weight are allowed.
- Under Book packets or Samples category, parcels of only upto 5 kgs of weight are allowed.