Gjennomsnittlig GPS-koordinater for postnummer 310-0903: 36.401, 140.427
Notering byer:
>> Horichou 310-0903, Ibarakiken, Mitoshi, GPS-koordinater: 36.4012,140.4265
Notering byer:
>> Horichou 310-0903, Ibarakiken, Mitoshi, GPS-koordinater: 36.4012,140.4265