Gjennomsnittlig GPS-koordinater for postnummer 405-839: 37.452, 126.712
Notering byer:
>> Guwor 4(sa)-dong/구월4동 405-839, Incheon/인천, Namdong-gu/남동구, 1255-1320/1255-1320, GPS-koordinater: 37.45235,126.71172
Notering byer:
>> Guwor 4(sa)-dong/구월4동 405-839, Incheon/인천, Namdong-gu/남동구, 1255-1320/1255-1320, GPS-koordinater: 37.45235,126.71172


