Prosečne GPS koordinate za poštanski broj 630-512: 35.25, 128.597
Spisak gradova:
>> Guam 2(i)-dong/구암2동 630-512, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.24975,128.59662
Spisak gradova:
>> Guam 2(i)-dong/구암2동 630-512, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.24975,128.59662