Gjennomsnittlig GPS-koordinater for postnummer 306-0006: 36.203, 139.712
Notering byer:
>> Heiwamachi 306-0006, Ibarakiken, Kogashi, GPS-koordinater: 36.2028,139.712
Notering byer:
>> Heiwamachi 306-0006, Ibarakiken, Kogashi, GPS-koordinater: 36.2028,139.712