Grandjean : Postal codes cartography

- Postal/ZIP codes cartography: mapping the administrative organization
Martin Grandjean
http://www.martingrandjean.ch/postal-codes-cartography/

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…

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