Gjennomsnittlig GPS-koordinater for postnummer 306-0633: 36.026, 139.906
Notering byer:
>> Shimoizushima 306-0633, Ibarakiken, Iwaishi, GPS-koordinater: 36.0258,139.9058
Notering byer:
>> Shimoizushima 306-0633, Ibarakiken, Iwaishi, GPS-koordinater: 36.0258,139.9058