Prosečne GPS koordinate za poštanski broj 631-391: 35.187, 128.563
Spisak gradova:
>> Wolnamdong 1(il)-ga/월남동1가 631-391, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18682,128.56321
Spisak gradova:
>> Wolnamdong 1(il)-ga/월남동1가 631-391, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18682,128.56321