Prosečne GPS koordinate za poštanski broj 630-510: 35.255, 128.593
Spisak gradova:
>> Guam-dong/구암동 630-510, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.25466,128.5926
Spisak gradova:
>> Guam-dong/구암동 630-510, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.25466,128.5926