Average GPS coordinates for postcode 406-840: 37.392, 126.642
Listing cities:
>> Songdo-dong/송도동 406-840, Incheon/인천, Yeonsu-gu/연수구, GPS coordinates: 37.39185,126.6418
Listing cities:
>> Songdo-dong/송도동 406-840, Incheon/인천, Yeonsu-gu/연수구, GPS coordinates: 37.39185,126.6418