Gjennomsnittlig GPS-koordinater for postnummer 306-0623: 35.989, 139.917
Notering byer:
>> Houshito 306-0623, Ibarakiken, Iwaishi, GPS-koordinater: 35.9889,139.9173
Notering byer:
>> Houshito 306-0623, Ibarakiken, Iwaishi, GPS-koordinater: 35.9889,139.9173