Prosečne GPS koordinate za poštanski broj 306-0411: 36.136, 139.825
Spisak gradova:
>> Shimoisagoi 306-0411, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.1362,139.8247
Spisak gradova:
>> Shimoisagoi 306-0411, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.1362,139.8247