Gjennomsnittlig GPS-koordinater for postnummer 311-0402: 36.643, 140.576
Notering byer:
>> Irishikenchou 311-0402, Ibarakiken, Hitachishi, GPS-koordinater: 36.6425,140.5755
Notering byer:
>> Irishikenchou 311-0402, Ibarakiken, Hitachishi, GPS-koordinater: 36.6425,140.5755