Gjennomsnittlig GPS-koordinater for postnummer 990-2301: 38.167, 140.395
Notering byer:
>> Zaouonsen 990-2301, Yamagataken, Yamagatashi, GPS-koordinater: 38.1666,140.3952
Notering byer:
>> Zaouonsen 990-2301, Yamagataken, Yamagatashi, GPS-koordinater: 38.1666,140.3952