Prosečne GPS koordinate za poštanski broj 631-776: 35.181, 128.562
Spisak gradova:
>> Haeun-dong/해운동 631-776, Gyeongsangnam-do/경남, Masan-si/마산시, Dongsanapateu/동산아파트, GPS koordinate: 35.18054,128.56247
Spisak gradova:
>> Haeun-dong/해운동 631-776, Gyeongsangnam-do/경남, Masan-si/마산시, Dongsanapateu/동산아파트, GPS koordinate: 35.18054,128.56247