Prosečne GPS koordinate za poštanski broj 930-2121: 36.599, 137.076
Spisak gradova:
>> Shiroidani 930-2121, Toyamaken, Neigunyamadamura, GPS koordinate: 36.5993,137.0757
Spisak gradova:
>> Shiroidani 930-2121, Toyamaken, Neigunyamadamura, GPS koordinate: 36.5993,137.0757