This repository contains lists of zipcodes and their respective cities for all countries present in the openstreetmap data.
There are seperate files for each country and for both directions (zip to city and city to zip).
There is also a file with the data of all countries.
The script to generate this dataset is licensed under the mit license and can be found in the src folder.
All files are generated. If you find errors in them, please fix them directly in the openstreetmap database.
Aggregated from open openstreetmap data: https://www.openstreetmap.org/copyright