Gjennomsnittlig GPS-koordinater for postnummer 300-0748: 35.913, 140.384
Notering byer:
>> Seikyuujima 300-0748, Ibarakiken, Inashikigun'Azumamachi, GPS-koordinater: 35.9126,140.384
Notering byer:
>> Seikyuujima 300-0748, Ibarakiken, Inashikigun'Azumamachi, GPS-koordinater: 35.9126,140.384