Prosečne GPS koordinate za poštanski broj 407-701: 37.541, 126.737
Spisak gradova:
>> Gyesan 4(sa)-dong/계산4동 407-701, Incheon/인천, Gyeyang-gu/계양구, Gyeyanggucheong/계양구청, GPS koordinate: 37.54141,126.73713
Spisak gradova:
>> Gyesan 4(sa)-dong/계산4동 407-701, Incheon/인천, Gyeyang-gu/계양구, Gyeyanggucheong/계양구청, GPS koordinate: 37.54141,126.73713