Gjennomsnittlig GPS-koordinater for postnummer 290-0521: 35.357, 140.186
Notering byer:
>> Yamakogawa 290-0521, Chibaken, Ichiharashi, GPS-koordinater: 35.3566,140.1857
Notering byer:
>> Yamakogawa 290-0521, Chibaken, Ichiharashi, GPS-koordinater: 35.3566,140.1857