Gjennomsnittlig GPS-koordinater for postnummer 306-0422: 36.088, 139.82
Notering byer:
>> Ichinoya 306-0422, Ibarakiken, Sashimagunsakaimachi, GPS-koordinater: 36.0879,139.8203
Notering byer:
>> Ichinoya 306-0422, Ibarakiken, Sashimagunsakaimachi, GPS-koordinater: 36.0879,139.8203