Gjennomsnittlig GPS-koordinater for postnummer 990-0714: 38.425, 140.079
Notering byer:
>> Irima 990-0714, Yamagataken, Nishimurayamagunnishikawamachi, GPS-koordinater: 38.4249,140.0793
Notering byer:
>> Irima 990-0714, Yamagataken, Nishimurayamagunnishikawamachi, GPS-koordinater: 38.4249,140.0793