Prosečne GPS koordinate za poštanski broj 407-804: 33.249, 126.572
Spisak gradova:
>> Gyesan 2(i)-dong/계산2동 407-804, Incheon/인천, Gyeyang-gu/계양구, 901-922/901-922, GPS koordinate: 33.24872,126.57238
Spisak gradova:
>> Gyesan 2(i)-dong/계산2동 407-804, Incheon/인천, Gyeyang-gu/계양구, 901-922/901-922, GPS koordinate: 33.24872,126.57238