Gjennomsnittlig GPS-koordinater for postnummer 999-3301: 38.312, 140.437
Notering byer:
>> Yamadera 999-3301, Yamagataken, Yamagatashi, GPS-koordinater: 38.3119,140.4366
Notering byer:
>> Yamadera 999-3301, Yamagataken, Yamagatashi, GPS-koordinater: 38.3119,140.4366