Postal code of Gangu County, Tianshui City, Gansu Province

According to Baidu Encyclopedia, Gangu County belongs to Tianshui City, Gansu Province, located in the southeast of Gansu Province, northwest of Tianshui City and upstream of Weihe River. Postal code: 74 1200, administrative division code: 620523, telephone area code: 0938, and license plate code: Gan E.

Gangu County is located between east longitude10458 ′ and10531′ and north latitude 3431′ and 3503 ′, bordering Qin 'an County and Maiji District of Tianshui City in the east, Qinzhou District of Tianshui City in the south and Lixian County of Longnan City in the west. The county is 60 kilometers long from north to south and 49 kilometers wide from east to west, with a total area of 1572.6 square kilometers.