Core Points - The article discusses the decline in the importance of postal codes in China, highlighting their historical significance and current irrelevance in the context of modern logistics and e-commerce [3][42]. Group 1: Historical Context of Postal Codes - Postal codes were introduced in China in 1980 to improve mail sorting efficiency, with the initial adoption facing challenges due to public unfamiliarity [8][10]. - By 1993, the usage rate of postal codes in mail increased to 100%, demonstrating their integration into daily life [13][14]. - The structure of China's postal codes consists of six digits representing different administrative levels, but this system lacks precision for urban areas [21][26]. Group 2: Current Relevance and Challenges - The rapid growth of the express delivery industry, with daily volumes reaching approximately 400 million packages, has diminished the reliance on postal codes [36][38]. - Advanced technologies such as GPS and barcode scanning have replaced the need for postal codes in package sorting and delivery [38][41]. - Despite the decline in usage, postal codes still play a crucial role in remote areas where address information is incomplete [45][46]. Group 3: Future Outlook - The article suggests that while postal codes may not be as critical in urban logistics, they still hold value in specific scenarios, such as government mailings and rural deliveries [52][54]. - The evolution of logistics and digitalization in China indicates a shift towards more efficient systems that may further reduce the role of traditional postal codes [39][41].