Prosečne GPS koordinate za poštanski broj 311-3154: 36.291, 140.388
Spisak gradova:
>> Shimoiinuma 311-3154, Ibarakiken, Higashiibarakigun'Ibarakimachi, GPS koordinate: 36.2912,140.3876
Spisak gradova:
>> Shimoiinuma 311-3154, Ibarakiken, Higashiibarakigun'Ibarakimachi, GPS koordinate: 36.2912,140.3876