Prosečne GPS koordinate za poštanski broj 306-0402: 36.137, 139.806
Spisak gradova:
>> Saruyama 306-0402, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.1371,139.8056
Spisak gradova:
>> Saruyama 306-0402, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.1371,139.8056