The United States FBA warehouse address is divided into the United States West, the United States China, the United States East 3 regions, how to quickly find your selected warehouse area?

Locate the warehouse by zip code, FBA zip code in the figure below is:
The beginning of 0, 1, 2, 3 is the eastern region of the United States (the zip code is 5 digits, if it is 4 digits, then the first add a 0, the beginning of 0 is the eastern region of the United States)
4, 5, 6, and 7 are U.S.-China regions
Beginning with 8 and 9 is the West American region
Why is it important to find the FBA location and zip code of Amazon's US site? Because this is closely related to local express and FBA first trip costs.
The express price of the United States East, United States China, and United States West is divided into three sections, and each section sets different cost standards. Local express delivery in the United States, the United States FBA Shanghai (shipping + express, also known as "Haifast") are charged based on these three ranges. So the sellers should remember to collect oh, they will not worry about the location of the warehouse because they do not know.
Attachment:
Amazon address USA.xlsx
美国亚马逊地址.xlsx