Prosečne GPS koordinate za poštanski broj 630-790: 35.224, 128.506
Spisak gradova:
>> Naeseo-eup/내서읍 630-790, Gyeongsangnam-do/경남, Masan-si/마산시, Wongyeri/원계리, GPS koordinate: 35.22398,128.50599
Spisak gradova:
>> Naeseo-eup/내서읍 630-790, Gyeongsangnam-do/경남, Masan-si/마산시, Wongyeri/원계리, GPS koordinate: 35.22398,128.50599