Gjennomsnittlig GPS-koordinater for postnummer 300-0406: 36.022, 140.328
Notering byer:
>> Yamauchi 300-0406, Ibarakiken, Inashikigunmihomura, GPS-koordinater: 36.0217,140.3282
Notering byer:
>> Yamauchi 300-0406, Ibarakiken, Inashikigunmihomura, GPS-koordinater: 36.0217,140.3282