Prosečne GPS koordinate za poštanski broj 631-280: 35.158, 128.551
Spisak gradova:
>> Usan-dong/우산동 631-280, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.15806,128.5507
Spisak gradova:
>> Usan-dong/우산동 631-280, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.15806,128.5507