16 1006。 According to the query of China Post official website, the postcode range of Qiqihar is 16 1000, the first two digits of 16 represent provinces, cities and autonomous regions, the third digit of 1 represents postal areas, the fourth digit of 0 represents counties and cities, and the last two digits of 06 represent specific delivery areas, so the postcode of jianhua district, Qiqihar is/kloc-. Jianhua district is located in the north of Qiqihar, bordering Fuyu County in the north, Yarsai and Meris across the river in the west, and Tiefeng and Longsha District in the east and south respectively.