- Postal/ZIP codes cartography: mapping the administrative organization
Martin Grandjean

This post provides a set of maps of postal codes in the world, according to the same principle: the low numbers are colored in red and the high in blue. Although limited, this exercise helps to figure out the different administrative organizations of postal services.

Parmi les pays : Suisse, Allemagne, Espagne, Italie, Russie, USA, etc…