Prosečne GPS koordinate za poštanski broj 411-826: 37.687, 126.766
Spisak gradova:
>> Ilsan 1(il)-dong/일산1동 411-826, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, 900-999/900-999, GPS koordinate: 37.68663,126.76575
Spisak gradova:
>> Ilsan 1(il)-dong/일산1동 411-826, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, 900-999/900-999, GPS koordinate: 37.68663,126.76575