Prosečne GPS koordinate za poštanski broj 631-140: 35.205, 128.56
Spisak gradova:
>> Jasan-dong/자산동 631-140, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.20499,128.55986
Spisak gradova:
>> Jasan-dong/자산동 631-140, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.20499,128.55986