Prosečne GPS koordinate za poštanski broj 631-170: 35.192, 128.558
Spisak gradova:
>> Sinwol-dong/신월동 631-170, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19227,128.55792
Spisak gradova:
>> Sinwol-dong/신월동 631-170, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19227,128.55792