Gjennomsnittlig GPS-koordinater for postnummer 350-0257: 35.965, 139.358
Notering byer:
>> Koyama 350-0257, Saitamaken, Sakadoshi, GPS-koordinater: 35.9649,139.3584
Notering byer:
>> Koyama 350-0257, Saitamaken, Sakadoshi, GPS-koordinater: 35.9649,139.3584