Prosečne GPS koordinate za poštanski broj 630-750: 35.249, 128.594
Spisak gradova:
>> Guam 1(il)-dong/구암1동 630-750, Gyeongsangnam-do/경남, Masan-si/마산시, Gyeongnamapateu/경남아파트, GPS koordinate: 35.24932,128.5935
Spisak gradova:
>> Guam 1(il)-dong/구암1동 630-750, Gyeongsangnam-do/경남, Masan-si/마산시, Gyeongnamapateu/경남아파트, GPS koordinate: 35.24932,128.5935