Prosečne GPS koordinate za poštanski broj 400-721: 37.445, 126.628
Spisak gradova:
>> Sinheungdong 3(sam)-ga/신흥동3가 400-721, Incheon/인천, Jung-gu/중구, Hyeondaeapateu/현대아파트, GPS koordinate: 37.4454,126.62833
Spisak gradova:
>> Sinheungdong 3(sam)-ga/신흥동3가 400-721, Incheon/인천, Jung-gu/중구, Hyeondaeapateu/현대아파트, GPS koordinate: 37.4454,126.62833