Prosečne GPS koordinate za poštanski broj 306-0001: 36.209, 139.718
Spisak gradova:
>> Shizukamachi 306-0001, Ibarakiken, Kogashi, GPS koordinate: 36.2088,139.7176
Spisak gradova:
>> Shizukamachi 306-0001, Ibarakiken, Kogashi, GPS koordinate: 36.2088,139.7176