Prosečne GPS koordinate za poštanski broj 403-771: 37.507, 126.7

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Spisak gradova:
>> Sangog 2(i)-dong/산곡2동 403-771, Incheon/인천, Bupyeong-gu/부평구, Gyeongnam 3 chaapateu 301-503/경남3차아파트 301-503, GPS koordinate: 37.50693,126.70014
>> Sangog 2(i)-dong/산곡2동 403-771, Incheon/인천, Bupyeong-gu/부평구, Gyeongnam 5 chaapateu 301-503/경남5차아파트 301-503, GPS koordinate: 37.50698,126.70019