Prosečne GPS koordinate za poštanski broj 411-825: 37.687, 126.769
Spisak gradova:
>> Ilsan 1(il)-dong/일산1동 411-825, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, 584-699/584-699, GPS koordinate: 37.68655,126.7691
Spisak gradova:
>> Ilsan 1(il)-dong/일산1동 411-825, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, 584-699/584-699, GPS koordinate: 37.68655,126.7691