Gjennomsnittlig GPS-koordinater for postnummer 310-0813: 36.363, 140.495
Notering byer:
>> Hamadachou 310-0813, Ibarakiken, Mitoshi, GPS-koordinater: 36.3633,140.4949
Notering byer:
>> Hamadachou 310-0813, Ibarakiken, Mitoshi, GPS-koordinater: 36.3633,140.4949