Corporate Overview

Since its inception with inviting investment capital of KDDI Group , a world-class integrated telecommunication company in 1999, KDDI Korea, an affiliated company of KDDI, has been providing telephony services to enterprise customers.

In 2000, KDDI Korea began providing Internet Data Center services, which based on KDDI Global Data Center Standard, and Data Center was moved to Seoul Mapo in 2016, we have been providing high-quality Internet Data Center services to the world.

Corporate Profile

Company KDDI Korea Corporation
Establishment May 23, 1998
Head office NIA 4F, 14, Cheonggyecheon-ro, Jung-gu, Seoul, 04520, Korea
President Rhee SungJin
Main business
  • Internet, data center (IDC) service
  • IT outsourcing/consulting service
  • International Private Leased Circuit
  • Domestic and international telecommunication service
  • Internet telephony (VoIP) service
  • SI (System Integration) service
  • Public research service
Capital KRW 16.4 Billion
Telephone +82-2-310-0400
Fax +82-2-310-0410


Branch Offices

Jongno Branch

KDDI Korea Co. , Jongno Branch

Jongno Building 4F, Jongno Ku Insadong 5 Gil 42, Seoul, 03149 Korea

Busan Branch

KDDI Korea Co. , Busan Branch

1201 Fan Ocean Building, Jungang Daero 102, Jung-gu, 48938 Busan Korea

Contact Us


Office Hours:9:00~18:00
(Closed Saturdays, Sundays, and National Holidays)

Inquiry Form