Gjennomsnittlig GPS-koordinater for postnummer 306-0400: 36.088, 139.813
Notering byer:
>> Ikanikeisaiganaibaai 306-0400, Ibarakiken, Sashimagunsakaimachi, GPS-koordinater: 36.0876,139.813
Notering byer:
>> Ikanikeisaiganaibaai 306-0400, Ibarakiken, Sashimagunsakaimachi, GPS-koordinater: 36.0876,139.813