Prosečne GPS koordinate za poštanski broj 630-705: 35.233, 128.562
Spisak gradova:
>> Hoeseong-dong/회성동 630-705, Gyeongsangnam-do/경남, Masan-si/마산시, Masangyodoso/마산교도소, GPS koordinate: 35.23313,128.56162
Spisak gradova:
>> Hoeseong-dong/회성동 630-705, Gyeongsangnam-do/경남, Masan-si/마산시, Masangyodoso/마산교도소, GPS koordinate: 35.23313,128.56162