Prosečne GPS koordinate za poštanski broj 630-757: 35.224, 128.506
Spisak gradova:
>> Naeseo-eup/내서읍 630-757, Gyeongsangnam-do/경남, Masan-si/마산시, Samgyedaedongapateu/삼계대동아파트, GPS koordinate: 35.22396,128.50597
Spisak gradova:
>> Naeseo-eup/내서읍 630-757, Gyeongsangnam-do/경남, Masan-si/마산시, Samgyedaedongapateu/삼계대동아파트, GPS koordinate: 35.22396,128.50597