With 1,55,618 post offices and over 5,66,000 employees, India has the largest postal network in the world. We can also boast of the world's highest post office. This branch post office is located in small town of Hikkim, in Lahaul Spiti district of Himachal Pradesh. It is located at height of 15500 feet and was opened of nov.5,1983. The pin code for this post office is 172114. There is a motorable road till Hikkim. Hikkim post office is 20 Km (12.5 miles) away from Kaza and serves about 600 people in the village. Around 50 people have a savings account in the Hikkim post office. The post office handles around 15-20 letters everyday.