Prosečne GPS koordinate za poštanski broj 406-809: 37.425, 126.672
Spisak gradova:
>> Yeonsu 1(il)-dong/연수1동 406-809, Incheon/인천, Yeonsu-gu/연수구, 472-477/472-477, GPS koordinate: 37.42547,126.67214
Spisak gradova:
>> Yeonsu 1(il)-dong/연수1동 406-809, Incheon/인천, Yeonsu-gu/연수구, 472-477/472-477, GPS koordinate: 37.42547,126.67214