Prosečne GPS koordinate za poštanski broj 423-723: 37.485, 126.867
Spisak gradova:
>> Cheolsan 2(i)-dong/철산2동 423-723, Gyeonggi-do/경기, Gwangmyeong-si/광명시, Jugongapateu 801-862/주공아파트 801-862, GPS koordinate: 37.48465,126.86657
Spisak gradova:
>> Cheolsan 2(i)-dong/철산2동 423-723, Gyeonggi-do/경기, Gwangmyeong-si/광명시, Jugongapateu 801-862/주공아파트 801-862, GPS koordinate: 37.48465,126.86657