Prosečne GPS koordinate za poštanski broj 300-1243: 36.012, 140.137
Spisak gradova:
>> Ooi 300-1243, Ibarakiken, Tsukubashi, GPS koordinate: 36.012,140.1367
Spisak gradova:
>> Ooi 300-1243, Ibarakiken, Tsukubashi, GPS koordinate: 36.012,140.1367