Gjennomsnittlig GPS-koordinater for postnummer 306-0621: 36.014, 139.911
Notering byer:
>> Ooyaguchi 306-0621, Ibarakiken, Iwaishi, GPS-koordinater: 36.0141,139.911
Notering byer:
>> Ooyaguchi 306-0621, Ibarakiken, Iwaishi, GPS-koordinater: 36.0141,139.911