Gjennomsnittlig GPS-koordinater for postnummer 301-0817: 35.9, 140.2
Notering byer:
>> Kamidaitokushinmachi 301-0817, Ibarakiken, Ryuugasakishi, GPS-koordinater: 35.8995,140.1998
Notering byer:
>> Kamidaitokushinmachi 301-0817, Ibarakiken, Ryuugasakishi, GPS-koordinater: 35.8995,140.1998