Average GPS coordinates for postcode 121-251: 37.561, 126.912
Listing cities:
>> Seongsan 1(il)-dong/성산1동 121-251, Seoul/서울, Mapo-gu/마포구, GPS coordinates: 37.56135,126.91239
Listing cities:
>> Seongsan 1(il)-dong/성산1동 121-251, Seoul/서울, Mapo-gu/마포구, GPS coordinates: 37.56135,126.91239