Postal Index Number or PIN or Pincode is the numbering of the post office or post code system used by India Post. The PINcode is 6 digits long. First digit reflects region, second the sub-region, third the sorting district, and last three represent the post office code. India has nine PIN zones.
1st 2 Digits of PINcode, Postal Circle : 11 - Delhi 12 - 13 Haryana 14 - 16 Punjab 17 - Himachal Pradesh 18 - 19 Jammu & Kashmir 20 - 28 Uttar Pradesh 30 - 34 Rajasthan 36 - 39 Gujarat 40 - 44 Maharashtra 45 - 48 Madhya Pradesh 49 - Chhattisgarh 50 - 53 Andhra Pradesh 56 - 59 Karnataka 60 - 64 Tamil Nadu 67 - 69 Kerala 682- Lakshadweep 70 - 74 West Bengal 744- Andaman & Nicobar 75 - 77 Orissa 78 - Assam 79 - Arunachal Pradesh 79 - Manipur 79 - Meghalaya 79 - Mizoram 79 - Nagaland 79 - Tripura 80 - 85 Bihar 80 - 83, 92 Jharkhand http://pincode.net.in/400016#.UkbBNPK-ZaU
