Prosečne GPS koordinate za poštanski broj 300-2642: 36.106, 140.045
Spisak gradova:
>> Kouya 300-2642, Ibarakiken, Tsukubashi, GPS koordinate: 36.1059,140.0446
Spisak gradova:
>> Kouya 300-2642, Ibarakiken, Tsukubashi, GPS koordinate: 36.1059,140.0446