Gjennomsnittlig GPS-koordinater for postnummer 311-4312: 36.451, 140.361
Notering byer:
>> Isono 311-4312, Ibarakiken, Higashiibarakigunjouhokumachi, GPS-koordinater: 36.4511,140.3609
Notering byer:
>> Isono 311-4312, Ibarakiken, Higashiibarakigunjouhokumachi, GPS-koordinater: 36.4511,140.3609