Prosečne GPS koordinate za poštanski broj 309-1602: 36.405, 140.336
Spisak gradova:
>> Ikenobe 309-1602, Ibarakiken, Kasamashi, GPS koordinate: 36.4046,140.3364
Spisak gradova:
>> Ikenobe 309-1602, Ibarakiken, Kasamashi, GPS koordinate: 36.4046,140.3364