Prosečne GPS koordinate za poštanski broj 999-5415: 38.879, 140.3
Spisak gradova:
>> Hooyama 999-5415, Yamagataken, Mogamigunkaneyamamachi, GPS koordinate: 38.8791,140.2997
Spisak gradova:
>> Hooyama 999-5415, Yamagataken, Mogamigunkaneyamamachi, GPS koordinate: 38.8791,140.2997