Prosečne GPS koordinate za poštanski broj 139-821: 37.657, 127.066

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Spisak gradova:
>> Sanggye 2(i)-dong/상계2동 139-821, Seoul/서울, Nowon-gu/노원구, 1283-1284/1283-1284, GPS koordinate: 37.65689,127.0662
>> Sanggye 2(i)-dong/상계2동 139-821, Seoul/서울, Nowon-gu/노원구, 1298-1300/1298-1300, GPS koordinate: 37.65694,127.06625
>> Sanggye 2(i)-dong/상계2동 139-821, Seoul/서울, Nowon-gu/노원구, 581-606/581-606, GPS koordinate: 37.65693,127.06624
>> Sanggye 2(i)-dong/상계2동 139-821, Seoul/서울, Nowon-gu/노원구, 616-617/616-617, GPS koordinate: 37.65693,127.06624
>> Sanggye 2(i)-dong/상계2동 139-821, Seoul/서울, Nowon-gu/노원구, 716-718/716-718, GPS koordinate: 37.65689,127.0662