Prosečne GPS koordinate za poštanski broj 310-0812: 36.366, 140.499
Spisak gradova:
>> Hamada 310-0812, Ibarakiken, Mitoshi, GPS koordinate: 36.3655,140.4992
Spisak gradova:
>> Hamada 310-0812, Ibarakiken, Mitoshi, GPS koordinate: 36.3655,140.4992