National administrative area code/code

Area code example:

Since the corresponding plug-in was not found, I had to update it manually. It took
two days to update the city codes of the whole country. 

 

Recommend an up-to-date administrative area code website:
Administrative Division-Administrative Division Code Query National Administrative Division Code Inquiry Platform, which can be accurate to township-level administrative divisions. https://xingzhengquhua.bmcx.com/