Prosečne GPS koordinate za poštanski broj 678-820: 35.538, 128.243
Spisak gradova:
>> Chogye-myeon/초계면 678-820, Gyeongsangnam-do/경남, Hapcheon-gun/합천군, GPS koordinate: 35.53787,128.24269
Spisak gradova:
>> Chogye-myeon/초계면 678-820, Gyeongsangnam-do/경남, Hapcheon-gun/합천군, GPS koordinate: 35.53787,128.24269