Prosečne GPS koordinate za poštanski broj 618-721: 35.1, 128.847
Spisak gradova:
>> Songjeong-dong/송정동 618-721, Busan/부산, Gangseo-gu/강서구, Samseongjeongi ju/삼성전기(주), GPS koordinate: 35.10036,128.84675
Spisak gradova:
>> Songjeong-dong/송정동 618-721, Busan/부산, Gangseo-gu/강서구, Samseongjeongi ju/삼성전기(주), GPS koordinate: 35.10036,128.84675