Prosečne GPS koordinate za poštanski broj 630-490: 35.224, 128.587
Spisak gradova:
>> Yangdeok-dong/양덕동 630-490, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.22391,128.58741
Spisak gradova:
>> Yangdeok-dong/양덕동 630-490, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.22391,128.58741