I wonder if all the houses on disconnected long islands without roads in Vinkeveense Plassen have postal codes? It's hard to get a pizza delivered there.
https://www.google.com/maps/@52.2307079,4.9365182,1869m/data...
https://www.google.com/maps/@52.2307079,4.9365182,1869m/data...
[1]: https://app.pdok.nl/viewer/#x=124175.54&y=471068.96&z=11.290...