Prosečne GPS koordinate za poštanski broj 415-840: 37.64, 126.62
Spisak gradova:
>> Yangchon-myeon/양촌면 415-840, Gyeonggi-do/경기, Gimpo-si/김포시, GPS koordinate: 37.64037,126.62016
Spisak gradova:
>> Yangchon-myeon/양촌면 415-840, Gyeonggi-do/경기, Gimpo-si/김포시, GPS koordinate: 37.64037,126.62016