Gjennomsnittlig GPS-koordinater for postnummer 301-0839: 35.912, 140.194
Notering byer:
>> Dashiyamamachi 301-0839, Ibarakiken, Ryuugasakishi, GPS-koordinater: 35.9124,140.1939
Notering byer:
>> Dashiyamamachi 301-0839, Ibarakiken, Ryuugasakishi, GPS-koordinater: 35.9124,140.1939