Prosečne GPS koordinate za poštanski broj 310-0813: 36.363, 140.495
Spisak gradova:
>> Hamadachou 310-0813, Ibarakiken, Mitoshi, GPS koordinate: 36.3633,140.4949
Spisak gradova:
>> Hamadachou 310-0813, Ibarakiken, Mitoshi, GPS koordinate: 36.3633,140.4949