Gjennomsnittlig GPS-koordinater for postnummer 300-0721: 35.956, 140.505
Notering byer:
>> Ooshima 300-0721, Ibarakiken, Inashikigun'Azumamachi, GPS-koordinater: 35.9558,140.5054
Notering byer:
>> Ooshima 300-0721, Ibarakiken, Inashikigun'Azumamachi, GPS-koordinater: 35.9558,140.5054