Gjennomsnittlig GPS-koordinater for postnummer 17730: 45.948, -1.078
Notering byer:
>> Port-des-Barques 17730, Poitou-Charentes, Charente-Maritime, Arrondissement de Rochefort, GPS-koordinater: 45.9476,-1.0779
Notering byer:
>> Port-des-Barques 17730, Poitou-Charentes, Charente-Maritime, Arrondissement de Rochefort, GPS-koordinater: 45.9476,-1.0779