Prosečne GPS koordinate za poštanski broj 411-737: 37.677, 126.77

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Spisak gradova:
>> Ilsan 3(sam)-dong/일산3동 411-737, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 16 danjiapateu 1601-1610/후곡마을16단지아파트 1601-1610, GPS koordinate: 37.67684,126.77014
>> Ilsan 3(sam)-dong/일산3동 411-737, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 17 danjiapateu 1701-1710/후곡마을17단지아파트 1701-1710, GPS koordinate: 37.67693,126.77023
>> Ilsan 3(sam)-dong/일산3동 411-737, Gyeonggi-do/경기, Ilsanseo-gu Goyang-si/고양시 일산서구, Hugokmaeul 18 danjiapateu 1801-1812/후곡마을18단지아파트 1801-1812, GPS koordinate: 37.67691,126.77021