Customer service phone line

+82-2-767-8585

3 : Direct connection to an agency Operating hours : 08:00 – 19:00 Mon-Fir(Closed on Sat and Puvlic holidays)

inquires for SignKorea

+82-2-1577-7337

Customers Board

Koscom with its very open mind would happily accept Feedbacks and comments from you so it con improve.