Prosečne GPS koordinate za poštanski broj 306-0427: 36.093, 139.809
Spisak gradova:
>> Uramukou 306-0427, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.0933,139.8094
Spisak gradova:
>> Uramukou 306-0427, Ibarakiken, Sashimagunsakaimachi, GPS koordinate: 36.0933,139.8094