Coordinate GPS medie per codice postale 407-830: 37.532, 126.712

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lista delle città :
>> Hyoseong 2(i)-dong/효성2동 407-830, Incheon/인천, Gyeyang-gu/계양구, 195-230/195-230, coordinate GPS: 37.53249,126.71215
>> Hyoseong 2(i)-dong/효성2동 407-830, Incheon/인천, Gyeyang-gu/계양구, 236-238/236-238, coordinate GPS: 37.53239,126.71205