Gjennomsnittlig GPS-koordinater for postnummer 891-4405: 30.236, 130.533
Notering byer:
>> Koshima 891-4405, Kagoshimaken, Kumagegunyakuchou, GPS-koordinater: 30.2358,130.5333
Notering byer:
>> Koshima 891-4405, Kagoshimaken, Kumagegunyakuchou, GPS-koordinater: 30.2358,130.5333