Gjennomsnittlig GPS-koordinater for postnummer 289-2312: 35.787, 140.498
Notering byer:
>> Sakumikura 289-2312, Chibaken, Katoriguntakomachi, GPS-koordinater: 35.7867,140.4979
Notering byer:
>> Sakumikura 289-2312, Chibaken, Katoriguntakomachi, GPS-koordinater: 35.7867,140.4979