Prosečne GPS koordinate za poštanski broj 309-1631: 36.399, 140.232
Spisak gradova:
>> Hakoda 309-1631, Ibarakiken, Kasamashi, GPS koordinate: 36.399,140.2324
Spisak gradova:
>> Hakoda 309-1631, Ibarakiken, Kasamashi, GPS koordinate: 36.399,140.2324