Prosečne GPS koordinate za poštanski broj 570001: 20.053, 110.364
Spisak gradova:
>> Bailong Township/白龙乡等 570001, Hainan/海南, Haikou City/海口市, GPS koordinate: 20.05294,110.36443
Spisak gradova:
>> Bailong Township/白龙乡等 570001, Hainan/海南, Haikou City/海口市, GPS koordinate: 20.05294,110.36443