Gjennomsnittlig GPS-koordinater for postnummer 990-1164: 38.376, 140.181
Notering byer:
>> Hongouhei 990-1164, Yamagataken, Nishimurayamagun'Ooemachi, GPS-koordinater: 38.3758,140.1805
Notering byer:
>> Hongouhei 990-1164, Yamagataken, Nishimurayamagun'Ooemachi, GPS-koordinater: 38.3758,140.1805