Prosečne GPS koordinate za poštanski broj 630-030: 35.24, 128.545
Spisak gradova:
>> Ducheok-dong/두척동 630-030, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.23966,128.54538
Spisak gradova:
>> Ducheok-dong/두척동 630-030, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.23966,128.54538