Gjennomsnittlig GPS-koordinater for postnummer 100-650: 34.852, 128.414
Notering byer:
>> Jungangucheguksaseoham/중앙우체국사서함 100-650, Seoul/서울, Jung-gu/중구, 5000-5099/5000-5099, GPS-koordinater: 34.85186,128.41399
Notering byer:
>> Jungangucheguksaseoham/중앙우체국사서함 100-650, Seoul/서울, Jung-gu/중구, 5000-5099/5000-5099, GPS-koordinater: 34.85186,128.41399