Gjennomsnittlig GPS-koordinater for postnummer 640-8435: 34.253, 135.121
Notering byer:
>> Koya 640-8435, Wakayamaken, Wakayamashi, GPS-koordinater: 34.2534,135.1209
Notering byer:
>> Koya 640-8435, Wakayamaken, Wakayamashi, GPS-koordinater: 34.2534,135.1209