5F KT NSC Bldg.
72 Chungjang-daero 5beon-gil
Jung-gu
48934 Busan

Rm.906, Dongmoon Tower 2nd Bldg.
358-25, Hosu-ro
Ilsandong-gu, Goyang-si
10364 Gyeonggi-do

17, Sinhang10-ro, Jinhae-gu
Changwon-si
51619 Gyeongsangnam-do