Gjennomsnittlig GPS-koordinater for postnummer 423-720: 37.491, 126.868
Notering byer:
>> Cheolsan 1(il)-dong/철산1동 423-720, Gyeonggi-do/경기, Gwangmyeong-si/광명시, Nakcheondaerotdeapateu/낙천대롯데아파트, GPS-koordinater: 37.49069,126.8678
Notering byer:
>> Cheolsan 1(il)-dong/철산1동 423-720, Gyeonggi-do/경기, Gwangmyeong-si/광명시, Nakcheondaerotdeapateu/낙천대롯데아파트, GPS-koordinater: 37.49069,126.8678


