The postal code of Trịnh Xá which is listed in our database is 400000. Our records often include geographical coordinates of Trịnh Xá and it's corresponding postal code.
In the result box below, you can find the postal code of Trịnh Xá and it's location on the map if we have the location information available.
Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results.
All kinds of additional information we have on Trịnh Xá may also be present such as geographical data, historical records or news about Trịnh Xá and 400000 in general.