Prosečne GPS koordinate za poštanski broj 407-040: 37.529, 126.704
Spisak gradova:
>> Hyoseong-dong/효성동 407-040, Incheon/인천, Gyeyang-gu/계양구, GPS koordinate: 37.52931,126.70375
Spisak gradova:
>> Hyoseong-dong/효성동 407-040, Incheon/인천, Gyeyang-gu/계양구, GPS koordinate: 37.52931,126.70375