Gjennomsnittlig GPS-koordinater for postnummer 300-0420: 36.012, 140.298
Notering byer:
>> Gounaka 300-0420, Ibarakiken, Inashikigunmihomura, GPS-koordinater: 36.0119,140.2976
Notering byer:
>> Gounaka 300-0420, Ibarakiken, Inashikigunmihomura, GPS-koordinater: 36.0119,140.2976