Prosečne GPS koordinate za poštanski broj 308-0031: 36.308, 139.981
Spisak gradova:
>> Hei 308-0031, Ibarakiken, Shimodateshi, GPS koordinate: 36.3082,139.9807
Spisak gradova:
>> Hei 308-0031, Ibarakiken, Shimodateshi, GPS koordinate: 36.3082,139.9807