Prosečne GPS koordinate za poštanski broj 411-734: 37.677, 126.77

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Spisak gradova:
>> Ilsan 3(sam)-dong/일산3동 411-734, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 6 danjiapateu 601-610/후곡마을6단지아파트 601-610, GPS koordinate: 37.6769,126.7702
>> Ilsan 3(sam)-dong/일산3동 411-734, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 7 danjiapateu 701-712/후곡마을7단지아파트 701-712, GPS koordinate: 37.67693,126.77023
>> Ilsan 3(sam)-dong/일산3동 411-734, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 8 danjiapateu 801-809/후곡마을8단지아파트 801-809, GPS koordinate: 37.67698,126.77028