Gjennomsnittlig GPS-koordinater for postnummer 78801-cedex: 48.922, 2.193
Notering byer:
>> Houilles 78801-CEDEX, Île-de-France, Yvelines, Arrondissement de Saint-Germain-en-Laye, GPS-koordinater: 48.9216,2.1926
Notering byer:
>> Houilles 78801-CEDEX, Île-de-France, Yvelines, Arrondissement de Saint-Germain-en-Laye, GPS-koordinater: 48.9216,2.1926