Gjennomsnittlig GPS-koordinater for postnummer 307-0021: 36.255, 139.876
Notering byer:
>> Kamiyamakawa 307-0021, Ibarakiken, Yuukishi, GPS-koordinater: 36.2547,139.8759
Notering byer:
>> Kamiyamakawa 307-0021, Ibarakiken, Yuukishi, GPS-koordinater: 36.2547,139.8759