Gjennomsnittlig GPS-koordinater for postnummer 990-0811: 38.29, 140.339
Notering byer:
>> Nagamachi 990-0811, Yamagataken, Yamagatashi, GPS-koordinater: 38.2897,140.3394
Notering byer:
>> Nagamachi 990-0811, Yamagataken, Yamagatashi, GPS-koordinater: 38.2897,140.3394