Prosečne GPS koordinate za poštanski broj 406-120: 37.424, 126.669
Spisak gradova:
>> Cheonghak-dong/청학동 406-120, Incheon/인천, Yeonsu-gu/연수구, GPS koordinate: 37.42388,126.66876
Spisak gradova:
>> Cheonghak-dong/청학동 406-120, Incheon/인천, Yeonsu-gu/연수구, GPS koordinate: 37.42388,126.66876