Prosečne GPS koordinate za poštanski broj 306-0312: 36.116, 139.741
Spisak gradova:
>> Shinkouya 306-0312, Ibarakiken, Sashimagungokamachi, GPS koordinate: 36.116,139.7414
Spisak gradova:
>> Shinkouya 306-0312, Ibarakiken, Sashimagungokamachi, GPS koordinate: 36.116,139.7414