According to the postal code database, the postal code of Huangjiang Town, Dongguan City is 523000, with the first two digits 52 representing Guangdong Province, 30 representing Dongguan City, and 00 representing the post sub-office code of Huangjiang Town.

This area is located in the southeast of Dongguan City, Guangdong Province, bordering Zhangmutou Town and Tangxia Town in the east, changping town in the north, Dalang Town and Songshan Lake Science and Technology Industrial Park in the west and Guangming District in Shenzhen in the south, with a total area of 92.86 square kilometers. By the end of 2022, the latest population of Huangjiang Town in Dongguan was 380,000.