Gjennomsnittlig GPS-koordinater for postnummer 17504-cedex: 45.45, -0.433
Notering byer:
>> Jonzac 17504-CEDEX, Poitou-Charentes, Charente-Maritime, Arrondissement de Jonzac, GPS-koordinater: 45.45,-0.4333
Notering byer:
>> Jonzac 17504-CEDEX, Poitou-Charentes, Charente-Maritime, Arrondissement de Jonzac, GPS-koordinater: 45.45,-0.4333