Gjennomsnittlig GPS-koordinater for postnummer 156-821: 37.482, 126.972
Notering byer:
>> Sadang 4(sa)-dong/사당4동 156-821, Seoul/서울, Dongjak-gu/동작구, 265-279/265-279, GPS-koordinater: 37.48242,126.97155
Notering byer:
>> Sadang 4(sa)-dong/사당4동 156-821, Seoul/서울, Dongjak-gu/동작구, 265-279/265-279, GPS-koordinater: 37.48242,126.97155