Gjennomsnittlig GPS-koordinater for postnummer 406-741: 37.392, 126.642
Notering byer:
>> Songdo-dong/송도동 406-741, Incheon/인천, Yeonsu-gu/연수구, Haeyanggyeongchalcheong/해양경찰청, GPS-koordinater: 37.39178,126.64173
Notering byer:
>> Songdo-dong/송도동 406-741, Incheon/인천, Yeonsu-gu/연수구, Haeyanggyeongchalcheong/해양경찰청, GPS-koordinater: 37.39178,126.64173