Prosečne GPS koordinate za poštanski broj 423-813: 34.431, 126.512

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Spisak gradova:
>> Gwangmyeong 7(chil)-dong/광명7동 423-813, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 293/293, GPS koordinate: 34.43146,126.51226
>> Gwangmyeong 7(chil)-dong/광명7동 423-813, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 295-296/295-296, GPS koordinate: 34.43146,126.51226
>> Gwangmyeong 7(chil)-dong/광명7동 423-813, Gyeonggi-do/경기, Gwangmyeong-si/광명시, 342-344/342-344, GPS koordinate: 34.43151,126.51231