Gjennomsnittlig GPS-koordinater for postnummer 300-4231: 36.176, 140.093
Notering byer:
>> Houjou 300-4231, Ibarakiken, Tsukubashi, GPS-koordinater: 36.1762,140.0929
Notering byer:
>> Houjou 300-4231, Ibarakiken, Tsukubashi, GPS-koordinater: 36.1762,140.0929