Prosečne GPS koordinate za poštanski broj 371-0021: 36.397, 139.07
Spisak gradova:
>> Sumiyoshichou 371-0021, Gunmaken, Maebashishi, GPS koordinate: 36.3969,139.0695
Spisak gradova:
>> Sumiyoshichou 371-0021, Gunmaken, Maebashishi, GPS koordinate: 36.3969,139.0695