How do I make a call to KT's customer center with SKT's cell phone?

A. 1

If it's KT, you can call 100 without a national number.

Gentleman 8 years ago 0

OK

A. 2

I'm sure you can answer the questions only on the landline.
Call 080-080-1618 here for free on your phone.

Gentleman 8 years ago 0

OK

A. 3

It's the simplest if you borrow a phone from someone who uses kt.

Gentleman 8 years ago 0

OK