Prosečne GPS koordinate za poštanski broj 378-0021: 36.598, 139.048
Spisak gradova:
>> Iwamotomachi 378-0021, Gunmaken, Numatashi, GPS koordinate: 36.5981,139.0478
Spisak gradova:
>> Iwamotomachi 378-0021, Gunmaken, Numatashi, GPS koordinate: 36.5981,139.0478