Prosečne GPS koordinate za poštanski broj 664-600: 35.004, 128.064
Spisak gradova:
>> Samcheonpoucheguksaseoham/삼천포우체국사서함 664-600, Gyeongsangnam-do/경남, Sacheon-si/사천시, GPS koordinate: 35.00383,128.06424
Spisak gradova:
>> Samcheonpoucheguksaseoham/삼천포우체국사서함 664-600, Gyeongsangnam-do/경남, Sacheon-si/사천시, GPS koordinate: 35.00383,128.06424