Prosečne GPS koordinate za poštanski broj 302-0122: 35.932, 140.01
Spisak gradova:
>> Koyama 302-0122, Ibarakiken, Moriyashi, GPS koordinate: 35.9318,140.0104
Spisak gradova:
>> Koyama 302-0122, Ibarakiken, Moriyashi, GPS koordinate: 35.9318,140.0104