Gjennomsnittlig GPS-koordinater for postnummer 306-0300: 36.126, 139.722
Notering byer:
>> Ikanikeisaiganaibaai 306-0300, Ibarakiken, Sashimagungokamachi, GPS-koordinater: 36.1256,139.7224
Notering byer:
>> Ikanikeisaiganaibaai 306-0300, Ibarakiken, Sashimagungokamachi, GPS-koordinater: 36.1256,139.7224