Prosečne GPS koordinate za poštanski broj 664-827: 35.013, 127.957
Spisak gradova:
>> Seopo-myeon/서포면 664-827, Gyeongsangnam-do/경남, Sacheon-si/사천시, Gupyeongri/구평리, GPS koordinate: 35.01344,127.95729
Spisak gradova:
>> Seopo-myeon/서포면 664-827, Gyeongsangnam-do/경남, Sacheon-si/사천시, Gupyeongri/구평리, GPS koordinate: 35.01344,127.95729