Gjennomsnittlig GPS-koordinater for postnummer 302-0122: 35.932, 140.01
Notering byer:
>> Koyama 302-0122, Ibarakiken, Moriyashi, GPS-koordinater: 35.9318,140.0104
Notering byer:
>> Koyama 302-0122, Ibarakiken, Moriyashi, GPS-koordinater: 35.9318,140.0104