Promedio GPS coordenadas de código postal 406-828: 37.425, 126.666

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Listado de ciudades:
>> Cheonghak-dong/청학동 406-828, Incheon/인천, Yeonsu-gu/연수구, 2-299/2-299, Las coordenadas GPS: 37.42483,126.66605
>> Cheonghak-dong/청학동 406-828, Incheon/인천, Yeonsu-gu/연수구, 510-539/510-539, Las coordenadas GPS: 37.42477,126.66599