Gjennomsnittlig GPS-koordinater for postnummer 300-0121: 36.123, 140.296
Notering byer:
>> Shishikura 300-0121, Ibarakiken, Niiharigunkasumigauramachi, GPS-koordinater: 36.1226,140.2963
Notering byer:
>> Shishikura 300-0121, Ibarakiken, Niiharigunkasumigauramachi, GPS-koordinater: 36.1226,140.2963