400039 Lian Fang once belonged to Shiqiao (Shiqiao is also called Shiqiaopu), and all the mails were sent by Shiqiaopu Post and Telecommunications Office, with the same postal code as Shiqiaopu.

The postcode of 400038 is Tianma Road. Writing this postal code is easy to be mismatched to the Tianxingqiao Post Office in Shapingba, and then transferred back to the Chongqing Post Office by the Tianxingqiao Post Office in Shapingba, and then sent to the Shiqiaopu Post Office for delivery, so the time limit is one day late. )

Postal code 400030 belongs to Three Gorges Square. Writing this postal code is easy to be mismatched to Shapingba Three Gorges Square Post Sub-office, and then transferred back to Chongqing Post Office by Shapingba Three Gorges Square Post Sub-office, and then delivered to Shiqiaopu Post Office, so the time limit is one day late. )