Gjennomsnittlig GPS-koordinater for postnummer 306-0001: 36.209, 139.718
Notering byer:
>> Shizukamachi 306-0001, Ibarakiken, Kogashi, GPS-koordinater: 36.2088,139.7176
Notering byer:
>> Shizukamachi 306-0001, Ibarakiken, Kogashi, GPS-koordinater: 36.2088,139.7176