Prosečne GPS koordinate za poštanski broj 407-051: 37.543, 126.723
Spisak gradova:
>> Gyesan 1(il)-dong/계산1동 407-051, Incheon/인천, Gyeyang-gu/계양구, GPS koordinate: 37.54339,126.72268
Spisak gradova:
>> Gyesan 1(il)-dong/계산1동 407-051, Incheon/인천, Gyeyang-gu/계양구, GPS koordinate: 37.54339,126.72268