Prosečne GPS koordinate za poštanski broj 630-758: 35.224, 128.506
Spisak gradova:
>> Naeseo-eup/내서읍 630-758, Gyeongsangnam-do/경남, Masan-si/마산시, Samgyeri/삼계리, GPS koordinate: 35.22403,128.50604
Spisak gradova:
>> Naeseo-eup/내서읍 630-758, Gyeongsangnam-do/경남, Masan-si/마산시, Samgyeri/삼계리, GPS koordinate: 35.22403,128.50604