Prosečne GPS koordinate za poštanski broj 311-3504: 36.117, 140.411
Spisak gradova:
>> Yajima 311-3504, Ibarakiken, Namegataguntamatsukurimachi, GPS koordinate: 36.1165,140.4112
Spisak gradova:
>> Yajima 311-3504, Ibarakiken, Namegataguntamatsukurimachi, GPS koordinate: 36.1165,140.4112