Gjennomsnittlig GPS-koordinater for postnummer 300-0818: 36.068, 140.174
Notering byer:
>> Amakawa 300-0818, Ibarakiken, Tsuchiurashi, GPS-koordinater: 36.0679,140.1738
Notering byer:
>> Amakawa 300-0818, Ibarakiken, Tsuchiurashi, GPS-koordinater: 36.0679,140.1738