What is a pin code?
A PIN code, or also known as Postal Index Number (PIN), is 6 digit fixed code refers to a convention used by India Post in the post office numbering or postal code system.
The first digit of a PIN indicates the zone, the second indicates the sub-zone, and the third, combined with the first two, indicates the sorting district within that zone. The final three digits are assigned to individual post offices within the sorting district.