Prosečne GPS koordinate za poštanski broj 306-0016: 36.19, 139.715
Spisak gradova:
>> Koga 306-0016, Ibarakiken, Kogashi, GPS koordinate: 36.1904,139.7147
Spisak gradova:
>> Koga 306-0016, Ibarakiken, Kogashi, GPS koordinate: 36.1904,139.7147