Prosečne GPS koordinate za poštanski broj 306-0503: 36.115, 139.879
Spisak gradova:
>> Oigoshinden 306-0503, Ibarakiken, Sashimagunsashimamachi, GPS koordinate: 36.1151,139.8791
Spisak gradova:
>> Oigoshinden 306-0503, Ibarakiken, Sashimagunsashimamachi, GPS koordinate: 36.1151,139.8791