Prosečne GPS koordinate za poštanski broj 999-6813: 38.914, 139.845
Spisak gradova:
>> Ookawado 999-6813, Yamagataken, Akumigunmatsuyamamachi, GPS koordinate: 38.9141,139.8449
Spisak gradova:
>> Ookawado 999-6813, Yamagataken, Akumigunmatsuyamamachi, GPS koordinate: 38.9141,139.8449