Prosečne GPS koordinate za poštanski broj 407-801: 37.521, 126.744

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Spisak gradova:
>> Gyesan 2(i)-dong/계산2동 407-801, Incheon/인천, Gyeyang-gu/계양구, 11/11, GPS koordinate: 37.52092,126.74437
>> Gyesan 2(i)-dong/계산2동 407-801, Incheon/인천, Gyeyang-gu/계양구, 37-48/37-48, GPS koordinate: 37.5209,126.74435
>> Gyesan 2(i)-dong/계산2동 407-801, Incheon/인천, Gyeyang-gu/계양구, 50/50, GPS koordinate: 37.52097,126.74442
>> Gyesan 2(i)-dong/계산2동 407-801, Incheon/인천, Gyeyang-gu/계양구, 721-735/721-735, GPS koordinate: 37.5209,126.74435
>> Gyesan 2(i)-dong/계산2동 407-801, Incheon/인천, Gyeyang-gu/계양구, 894-900/894-900, GPS koordinate: 37.52095,126.7444