Gjennomsnittlig GPS-koordinater for postnummer 300-1251: 35.992, 140.123
Notering byer:
>> Shiroyama 300-1251, Ibarakiken, Tsukubashi, GPS-koordinater: 35.9919,140.123
Notering byer:
>> Shiroyama 300-1251, Ibarakiken, Tsukubashi, GPS-koordinater: 35.9919,140.123