Prosečne GPS koordinate za poštanski broj 409-913: 37.967, 124.719
Spisak gradova:
>> Baekryeong-myeon/백령면 409-913, Incheon/인천, Ongjin-gun/옹진군, Jinchonri/진촌리, GPS koordinate: 37.96678,124.71883
Spisak gradova:
>> Baekryeong-myeon/백령면 409-913, Incheon/인천, Ongjin-gun/옹진군, Jinchonri/진촌리, GPS koordinate: 37.96678,124.71883