Gjennomsnittlig GPS-koordinater for postnummer 990-1302: 38.337, 140.175
Notering byer:
>> Tamanoi 990-1302, Yamagataken, Nishimurayamagun'Asahimachi, GPS-koordinater: 38.3365,140.1754
Notering byer:
>> Tamanoi 990-1302, Yamagataken, Nishimurayamagun'Asahimachi, GPS-koordinater: 38.3365,140.1754