Smilegate Holdings, Inc., Megaport Branch CEO: Sung Joon Ho Address: 55, Bundang-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea . Business Registration Number: 813-85-02492 Telecommunication Service Registration Number: 제2023-성남분당A-0145호 Business Information . Customer Service : 1670-0399 Fax : 02-6020-8213 E-mail : [email protected]