Gjennomsnittlig GPS-koordinater for postnummer 300-2642: 36.106, 140.045
Notering byer:
>> Kouya 300-2642, Ibarakiken, Tsukubashi, GPS-koordinater: 36.1059,140.0446
Notering byer:
>> Kouya 300-2642, Ibarakiken, Tsukubashi, GPS-koordinater: 36.1059,140.0446