Gjennomsnittlig GPS-koordinater for postnummer 270-0021: 35.818, 139.944
Notering byer:
>> Koganehara 270-0021, Chibaken, Matsudoshi, GPS-koordinater: 35.8182,139.944
Notering byer:
>> Koganehara 270-0021, Chibaken, Matsudoshi, GPS-koordinater: 35.8182,139.944