Prosečne GPS koordinate za poštanski broj 409-841: 37.647, 125.708
Spisak gradova:
>> Yeonpyeong-myeon/연평면 409-841, Incheon/인천, Ongjin-gun/옹진군, Namburi/남부리, GPS koordinate: 37.64738,125.70798
>> Yeonpyeong-myeon/연평면 409-841, Incheon/인천, Ongjin-gun/옹진군, Seoburi/서부리, GPS koordinate: 37.64729,125.70789
Spisak gradova:
>> Yeonpyeong-myeon/연평면 409-841, Incheon/인천, Ongjin-gun/옹진군, Namburi/남부리, GPS koordinate: 37.64738,125.70798
>> Yeonpyeong-myeon/연평면 409-841, Incheon/인천, Ongjin-gun/옹진군, Seoburi/서부리, GPS koordinate: 37.64729,125.70789