Prosečne GPS koordinate za poštanski broj 666-804: 35.417, 127.877
Spisak gradova:
>> Sancheong-eup/산청읍 666-804, Gyeongsangnam-do/경남, Sancheong-gun/산청군, Sancheongri/산청리, GPS koordinate: 35.41685,127.87704
Spisak gradova:
>> Sancheong-eup/산청읍 666-804, Gyeongsangnam-do/경남, Sancheong-gun/산청군, Sancheongri/산청리, GPS koordinate: 35.41685,127.87704