Gjennomsnittlig GPS-koordinater for postnummer 357-0066: 35.864, 139.274
Notering byer:
>> Koiwai 357-0066, Saitamaken, Hannoushi, GPS-koordinater: 35.8638,139.2738
Notering byer:
>> Koiwai 357-0066, Saitamaken, Hannoushi, GPS-koordinater: 35.8638,139.2738