According to the postal code database, the postal code of Zhangcha Street in Chancheng District, Foshan City, Guangdong Province is 52805 1, with the first two digits 52 representing Guangdong Province, the third digit 8 representing Foshan City, the fourth digit 0 representing Chancheng District, and the last two digits 5 1 representing the specific delivery area-Zhangcha Street.