Gjennomsnittlig GPS-koordinater for postnummer 311-3508: 36.153, 140.379
Notering byer:
>> Okisu 311-3508, Ibarakiken, Namegataguntamatsukurimachi, GPS-koordinater: 36.1529,140.3788
Notering byer:
>> Okisu 311-3508, Ibarakiken, Namegataguntamatsukurimachi, GPS-koordinater: 36.1529,140.3788