Gjennomsnittlig GPS-koordinater for postnummer 990-1400: 38.288, 140.123
Notering byer:
>> Ikanikeisaiganaibaai 990-1400, Yamagataken, Nishimurayamagun'Asahimachi, GPS-koordinater: 38.2877,140.1229
Notering byer:
>> Ikanikeisaiganaibaai 990-1400, Yamagataken, Nishimurayamagun'Asahimachi, GPS-koordinater: 38.2877,140.1229