Prosečne GPS koordinate za poštanski broj 110-623: 36.815, 126.871
Spisak gradova:
>> Gwanghwamunucheguksaseoham/광화문우체국사서함 110-623, Seoul/서울, Jongro-gu/종로구, 2300-2399/2300-2399, GPS koordinate: 36.81506,126.87126
Spisak gradova:
>> Gwanghwamunucheguksaseoham/광화문우체국사서함 110-623, Seoul/서울, Jongro-gu/종로구, 2300-2399/2300-2399, GPS koordinate: 36.81506,126.87126