Lingling District belongs to Yongzhou City, Hunan Province. According to the postal code database query, the postal code of Lingling District of Yongzhou City is 425 100. The first two digits of postal code 42 represent Hunan Province, the third digit of postal code 5 represents Yongzhou City, the fourth digit of postal code 1 represents Lingling District, and the last two digits of postal code 00 represent the delivery area.