Average GPS coordinates for postcode 121-830: 37.576, 126.894
Listing cities:
>> Sangam-dong/상암동 121-830, Seoul/서울, Mapo-gu/마포구, 1-100/1-100, GPS coordinates: 37.57558,126.89356
Listing cities:
>> Sangam-dong/상암동 121-830, Seoul/서울, Mapo-gu/마포구, 1-100/1-100, GPS coordinates: 37.57558,126.89356