Gjennomsnittlig GPS-koordinater for postnummer 290-0021: 35.502, 140.123
Notering byer:
>> Yamadabashi 290-0021, Chibaken, Ichiharashi, GPS-koordinater: 35.502,140.1233
Notering byer:
>> Yamadabashi 290-0021, Chibaken, Ichiharashi, GPS-koordinater: 35.502,140.1233