Gjennomsnittlig GPS-koordinater for postnummer 305-0813: 36.091, 140.091
Notering byer:
>> Shimohiratsuka 305-0813, Ibarakiken, Tsukubashi, GPS-koordinater: 36.0911,140.0907
Notering byer:
>> Shimohiratsuka 305-0813, Ibarakiken, Tsukubashi, GPS-koordinater: 36.0911,140.0907