Prosečne GPS koordinate za poštanski broj 631-400: 35.19, 128.56
Spisak gradova:
>> Banwol-dong/반월동 631-400, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18992,128.56019
Spisak gradova:
>> Banwol-dong/반월동 631-400, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18992,128.56019