Prosečne GPS koordinate za poštanski broj 411-777: 37.687, 126.769

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Spisak gradova:
>> Ilsan 1(il)-dong/일산1동 411-777, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Dongyangapateu 101-111/동양아파트 101-111, GPS koordinate: 37.6872,126.76861
>> Ilsan 1(il)-dong/일산1동 411-777, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Ilsantaeyeongdesiang 1 danjiapateu 101-106/일산태영데시앙1단지아파트 101-106, GPS koordinate: 37.68709,126.7685
>> Ilsan 1(il)-dong/일산1동 411-777, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Ilsantaeyeongdesiang 2 danjiapateu 201-203/일산태영데시앙2단지아파트 201-203, GPS koordinate: 37.68709,126.7685