Gjennomsnittlig GPS-koordinater for postnummer 311-4311: 36.456, 140.377
Notering byer:
>> Mashii 311-4311, Ibarakiken, Higashiibarakigunjouhokumachi, GPS-koordinater: 36.4555,140.3765
Notering byer:
>> Mashii 311-4311, Ibarakiken, Higashiibarakigunjouhokumachi, GPS-koordinater: 36.4555,140.3765