Gjennomsnittlig GPS-koordinater for postnummer 290-0231: 35.402, 140.119
Notering byer:
>> Nishikuniyoshi 290-0231, Chibaken, Ichiharashi, GPS-koordinater: 35.4022,140.1193
Notering byer:
>> Nishikuniyoshi 290-0231, Chibaken, Ichiharashi, GPS-koordinater: 35.4022,140.1193