According to the postal code database, 67 stands for Yunnan Province, 10 stands for Dali Bai Autonomous Prefecture, and the last two digits 00 stand for specific streets and communities in this area. Therefore, the postcode of Dali Bai Autonomous Prefecture in Yunnan Province is 67 1000.

The purpose of postal code design is to facilitate the geographical division of postal system and fast delivery service. Through the postal code, we can accurately identify the location information of a place and improve the efficiency and accuracy of mail delivery.