Prosečne GPS koordinate za poštanski broj 304-0017: 36.208, 139.989
Spisak gradova:
>> Chikuwajima 304-0017, Ibarakiken, Shimotsumashi, GPS koordinate: 36.2079,139.9889
Spisak gradova:
>> Chikuwajima 304-0017, Ibarakiken, Shimotsumashi, GPS koordinate: 36.2079,139.9889