Prosečne GPS koordinate za poštanski broj 350-0406: 35.972, 139.27
Spisak gradova:
>> Douyama 350-0406, Saitamaken, Irumagun'Ogosemachi, GPS koordinate: 35.9723,139.2703
Spisak gradova:
>> Douyama 350-0406, Saitamaken, Irumagun'Ogosemachi, GPS koordinate: 35.9723,139.2703