Prosečne GPS koordinate za poštanski broj 630-728: 35.229, 128.584
Spisak gradova:
>> Yangdeog 2(i)-dong/양덕2동 630-728, Gyeongsangnam-do/경남, Masan-si/마산시, Masansuchuljayujiyeokgongdan/마산수출자유지역공단, GPS koordinate: 35.22914,128.58381
Spisak gradova:
>> Yangdeog 2(i)-dong/양덕2동 630-728, Gyeongsangnam-do/경남, Masan-si/마산시, Masansuchuljayujiyeokgongdan/마산수출자유지역공단, GPS koordinate: 35.22914,128.58381