Northern

Postal Index Number (PIN) or PIN Code is a 6 digit code of Post Office numbering used by India Post. The PIN was introduced on August 15, 1972. There are 9 PIN regions in the country. The first 8 are geographical regions and the digit 9 is reserved for the Army Postal Service. The first digit indicates one of the regions. The first 2 digits together indicate the sub region or one of the postal circles. The first 3 digits together indicate a sorting / revenue district. The last 3 digits refer to the delivery Post Office.

The first digit of PIN indicates for the first digit: 1 or 2 = Northern and comprises the state and union territories Delhi, Haryana, Punjab, Himachal Pradesh and Jammu & Kashmir, Uttar Pradesh and Uttaranchal.