Prosečne GPS koordinate za poštanski broj 631-210: 35.185, 128.558
Spisak gradova:
>> Cheonggye-dong/청계동 631-210, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18506,128.55758
Spisak gradova:
>> Cheonggye-dong/청계동 631-210, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.18506,128.55758