Postal Index Number
A PIN or Pincode is the post office numbering system used by the Indian Postal Service. PIN stands for Postal Index Number and the code is 6 digits long.
Structure
There are 8 PIN regions in India. The first digit of the PIN code indicates the region in which a given post office falls in. The second digit indicates the sub-region, and the third digit indicates the sorting district within the region. The final three digits are assigned to individual post offices.
The 8 PIN regions cover the Indian states as:
- 1 – Delhi, Haryana, Punjab, Himachal Pradesh, Jammu & Kashmir
- 2 – Uttar Pradesh, Uttaranchal
- 3 – Rajasthan, Gujarat
- 4 – Chattisgarh, Maharashtra, Madhya Pradesh
- 5 – Andhra Pradesh, Karnataka
- 6 – Kerala, Tamil Nadu
- 7 – West Bengal, Orissa and the North-eastern states.
- 8 – Bihar, Jharkhand