Prosečne GPS koordinate za poštanski broj 407-802: 36.474, 127.144
Spisak gradova:
>> Gyesan 3(sam)-dong/계산3동 407-802, Incheon/인천, Gyeyang-gu/계양구, 223-355/223-355, GPS koordinate: 36.47362,127.14402
Spisak gradova:
>> Gyesan 3(sam)-dong/계산3동 407-802, Incheon/인천, Gyeyang-gu/계양구, 223-355/223-355, GPS koordinate: 36.47362,127.14402