Gjennomsnittlig GPS-koordinater for postnummer 306-0502: 36.126, 139.876
Notering byer:
>> Yama 306-0502, Ibarakiken, Sashimagunsashimamachi, GPS-koordinater: 36.1263,139.8762
Notering byer:
>> Yama 306-0502, Ibarakiken, Sashimagunsashimamachi, GPS-koordinater: 36.1263,139.8762