Prosečne GPS koordinate za poštanski broj 300-2638: 36.095, 140.047
Spisak gradova:
>> Hakke 300-2638, Ibarakiken, Tsukubashi, GPS koordinate: 36.0948,140.0474
Spisak gradova:
>> Hakke 300-2638, Ibarakiken, Tsukubashi, GPS koordinate: 36.0948,140.0474