About Pincode / Postcode in India

What is PIN Code ?
PIN Code Stands for A Postal Index Number. It is also known as PIN or Pincode or zip code or area code number, is the post office numbering or post code system used by India Post, the Indian postal administration. The PIN CODE is 6 digits long.
When was first PIN Code Introduce in India ? or PINCODE Start Date in India ?
The PIN was introduced on 15 August 1972
What is the Logic Behind these 6 Digit Number of PIN ?
There are nine PIN zones in India, including eight regional zones and one functional zone (for the Indian Army). The first digit of the PIN code indicates the region. 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. You may search pincode of entire India from Pin code Search Website of India
The 9 PIN zones cover the Indian states and union territories as follows:
  • 1 - Haryana, Punjab, Himachal Pradesh, Jammu and Kashmir (including Pakistan-administered Kashmir), Chandigarh
    • 11 - Delhi
    • 12 and 13 - Haryana
      • 14 to 16 - Punjab
      • 17 - Himachal Pradesh
      • 18 to 19 - Jammu & Kashmir
  • 2 - Uttar Pradesh, Uttarakhand
    • 20 to 28 - Uttar Pradesh and Uttaranchal
  • 3 - Rajasthan, Gujarat, Daman and Diu, Dadra and Nagar Haveli
    • 30 to 34 - Rajasthan
    • 36 to 39 - Gujarat
  • 4 - Goa, Maharashtra, Madhya Pradesh, Chhattisgarh
    • 40 to 44 - Maharashtra
    • 45 to 49 - Madhya Pradesh and Chattisgarh
  • 5 - Andhra Pradesh, Karnataka
    • 50 to 53 - Andhra Pradesh
    • 56 to 59 - Karnataka
  • 6 - Tamil Nadu, Kerala, Puducherry, Lakshadweep
    • 60 to 64 - Tamil Nadu
    • 67 to 69 - Kerala
  • 7 - Odisha, West Bengal, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Andaman and Nicobar Islands, Assam
    • 70 to 74 - West Bengal
    • 75 to 77 - Orissa
    • 78 - Assam
    • 79 - North Eastern
  • 8 - Bihar, Jharkhand
    • 80 to 85 - Bihar and Jharkand
  • 9 - Army Post office (APO) and Field Post office (FPO)
    • 90 to 99 - Army Postal Service (APS)

SOME STATASTICS ABOUT POST : (As on 31 - 03 - 2011)

POSTAL NETWORK AT A GLANCE Statastics
Total Number of Postal Circles 22
Total Number of Postal Regions 37
Total Number of Postal Divisions 442
Total Number of Circle Stamp Depots 18
Total Number of Postal Store Depots 46
Total Number of RMS Divisions 68
Total Number of Postal Training Centres 6
Total Number of Post Offices in the Country 154,866
Total Number of Post Offices in Rural Areas 139,040
Total Number of Post Offices in Urban Areas 15,826
Total Number of GPO 24
Number of Head Post Offices 809
Number of Sub Post Offices 24,655
Number of ED Branch Post Offices 129,398
Number of Delivery Post Offices 146,874
Number of Post Offices with Telegraph facility 950
Number of Night Post Offices 151
Speed Post Sorting Hubs in the Country 89
Total Number of Countries covered under International Speed Post (Merchandise & documents - both) 74
Number of Countries covered under International Speed Post (documents only) 24
Population served by a Post Office in 2011 7,814
Population served by a Post Office in 2011 (in Rural Area) 5,992
Population served by a Post Office in 2011 (in Urban Area) 23,828
Area served by a Post Office (Sq. Km.) 21.23
Average distance to be travelled for Postal facilities (in Km.) 2.60
SOURCE FROM : Book Of Information, Indian Post Division