Prosečne GPS koordinate za poštanski broj 121-889: 37.555, 126.904

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Spisak gradova:
>> Mangwon 1(il)-dong/망원1동 121-889, Seoul/서울, Mapo-gu/마포구, 200-300/200-300, GPS koordinate: 37.55484,126.90369
>> Mangwon 1(il)-dong/망원1동 121-889, Seoul/서울, Mapo-gu/마포구, 454-462/454-462, GPS koordinate: 37.55487,126.90372
>> Mangwon 1(il)-dong/망원1동 121-889, Seoul/서울, Mapo-gu/마포구, 488-490/488-490, GPS koordinate: 37.55481,126.90366
>> Mangwon 1(il)-dong/망원1동 121-889, Seoul/서울, Mapo-gu/마포구, 499-500/499-500, GPS koordinate: 37.55484,126.90369
>> Mangwon 1(il)-dong/망원1동 121-889, Seoul/서울, Mapo-gu/마포구, 503/503, GPS koordinate: 37.55487,126.90372