Gjennomsnittlig GPS-koordinater for postnummer 289-0311: 35.86, 140.601
Notering byer:
>> Youkaichiba 289-0311, Chibaken, Katorigun'Omigawamachi, GPS-koordinater: 35.8598,140.6013
Notering byer:
>> Youkaichiba 289-0311, Chibaken, Katorigun'Omigawamachi, GPS-koordinater: 35.8598,140.6013