Seoul HQ

• Phone 1877-1817
• Fax 02-6007-6220
• Address 61, Digital-ro 31-gil, Guro-gu, Seoul, Korea

Guro IDC 1 Center (DREAMMARK1 HQ)

• Phone 1877-0555
• Fax 02-6007-6239
• Address 61, Digital-ro 31-gil, Guro-gu, Seoul, Korea

Network Management Center(Seoul)

• Phone 02-6007-6007
• Fax 02-311-9978
• Address 5F, Hanbit Plazza, Shincheon-dong, 562, Songpadae-ro, Songpa-gu, Seoul, Korea

Busan Branch Office

• Phone 051-466-1672
• Fax 051-466-8728
• Address LGU+ Building, 216 Gamjeoncheon-ro
  Sasang-gu, Busan, Korea (2F)

Deagu Branch Office

• Phone 053-263-6823
• Fax 053-651-7940
• Address 66, Daemyeong-ro, Nam-gu, Daegu, Korea (7F)

Daejeon Branch Office

• Phone 042-335-0777
• Fax 042-355-0780
• Address Yuhan Yanghaeng Building, 1 Dongseo-daero 1761beon-gil,
  Daedeok-gu, Daejeon, Korea (6F)

Gwangju Branch Office

• Phone 062-942-9522
• Fax 062-942-9711
• Address 282, Mujin-daero, Gwangsan-gu, Gwangju, Republic of Korea
  (1F KITA Bld, Woosan-dong)

Gangwon Branch Office

• Phone 033-733-3433
• Fax 033-742-3432
• Address 2449, Bugwon-ro, Wonju-si, Gangwon-do, Republic of Korea
  (5F, LG U+ Bld, Woosan-dong)