Gjennomsnittlig GPS-koordinater for postnummer 949-0557: 36.937, 137.866
Notering byer:
>> Nishiyama(Sonota) 949-0557, Niigataken, Itoigawashi, GPS-koordinater: 36.9369,137.8661
Notering byer:
>> Nishiyama(Sonota) 949-0557, Niigataken, Itoigawashi, GPS-koordinater: 36.9369,137.8661