Prosečne GPS koordinate za poštanski broj 630-020: 35.234, 128.561
Spisak gradova:
>> Hoeseong-dong/회성동 630-020, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.2338,128.5612
Spisak gradova:
>> Hoeseong-dong/회성동 630-020, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.2338,128.5612