Prosečne GPS koordinate za poštanski broj 311-3508: 36.153, 140.379
Spisak gradova:
>> Okisu 311-3508, Ibarakiken, Namegataguntamatsukurimachi, GPS koordinate: 36.1529,140.3788
Spisak gradova:
>> Okisu 311-3508, Ibarakiken, Namegataguntamatsukurimachi, GPS koordinate: 36.1529,140.3788