Prosečne GPS koordinate za poštanski broj 405-840: 37.452, 126.712
Spisak gradova:
>> Guwor 3(sam)-dong/구월3동 405-840, Incheon/인천, Namdong-gu/남동구, 1321-1408/1321-1408, GPS koordinate: 37.45228,126.71165
Spisak gradova:
>> Guwor 3(sam)-dong/구월3동 405-840, Incheon/인천, Namdong-gu/남동구, 1321-1408/1321-1408, GPS koordinate: 37.45228,126.71165