Prosečne GPS koordinate za poštanski broj 306-0643: 36.038, 139.848
Spisak gradova:
>> Kimagase 306-0643, Ibarakiken, Iwaishi, GPS koordinate: 36.0384,139.8477
Spisak gradova:
>> Kimagase 306-0643, Ibarakiken, Iwaishi, GPS koordinate: 36.0384,139.8477