Gjennomsnittlig GPS-koordinater for postnummer 306-0021: 36.206, 139.71
Notering byer:
>> Matsunami 306-0021, Ibarakiken, Kogashi, GPS-koordinater: 36.2057,139.7101
Notering byer:
>> Matsunami 306-0021, Ibarakiken, Kogashi, GPS-koordinater: 36.2057,139.7101