Prosečne GPS koordinate za poštanski broj 407-809: 37.521, 129.104

---

Spisak gradova:
>> Gyesan 3(sam)-dong/계산3동 407-809, Incheon/인천, Gyeyang-gu/계양구, 1014-1058/1014-1058, GPS koordinate: 37.52089,129.10357
>> Gyesan 3(sam)-dong/계산3동 407-809, Incheon/인천, Gyeyang-gu/계양구, 1064-1072/1064-1072, GPS koordinate: 37.52088,129.10356
>> Gyesan 3(sam)-dong/계산3동 407-809, Incheon/인천, Gyeyang-gu/계양구, 1088/1088, GPS koordinate: 37.52079,129.10347