Prosečne GPS koordinate za poštanski broj 406-742: 37.392, 126.642
Spisak gradova:
>> Songdo-dong/송도동 406-742, Incheon/인천, Yeonsu-gu/연수구, Songdohaemoroapateu 101-115/송도해모로아파트 101-115, GPS koordinate: 37.39177,126.64172
Spisak gradova:
>> Songdo-dong/송도동 406-742, Incheon/인천, Yeonsu-gu/연수구, Songdohaemoroapateu 101-115/송도해모로아파트 101-115, GPS koordinate: 37.39177,126.64172