Whenever a letter received through courier service, there is our postal address written starting from our name and ending with a 6-digit number. This 6-digit number uniquely determines our exact location in India.
Postal Index Number, shortly known as a PIN code, is used by Post Office in India. Firstly, introduced in 15, August, 1972, each digit denotes to a particular area of India. It helps to locate the person’s postal address.
Extreme left digit of PIN number divides India in 9 regions, i.e. from digit 1 to 9. 9 number is for Army postal service. 1 and 2 reflects the Northern region consisting of Jammu Kashmir, Himachal Pradesh, Punjab, Chandigarh, Uttarakhand, Haryana, Delhi, Rajasthan and Uttar Pradesh. 3 and 4 reflects the Western region consisting of Maharashtra, Madhya Pradesh, Chhatisgarh and Gujarat. 5 and 6 reflects the Southern region consisting of Goa, Karnataka, Telangana, Andhra Pradesh, Tamil Nadu and Kerala. Lastly 7 and 8 number denote the Eastern region consisting of Bihar, Jharkhand, Odisha, West Bengal, Sikkim, Arunachal Pradesh, Assam, Nagaland, Meghalaya, Manipur, Tripura and Mizoram.
A second digit from the extreme left defines subregions of 4 regions. Just like from the video, extreme two digit number 14 defines the Punjab region or circle. 3rd digit defines district areas within the subregion and left three digits helps to name Post Office of that district area.
For example, in PIN code number 144302, 1 defines northern region, second digit 4 defines Punjab sub-region, third digit 4 defines the district area, Jalandhar and last three digits, 302 defined Beas PInd Postoffice in Jalandhar. After PIN code, courier man will deliver our courier or letter to our doorstep by identifying one location through person name and street name and house number.