Subscription method : Visit a mobile phone shop for one of the service
providers, SKT, KT, and LG U , fill out a subscription form, and pay for the
subscription and the mobile phone.
Documents required : ARC, passport, and bank account number to register
or the monthly bill to be paid by direct debit.
Major Telecommunication Service Providers
SK Telecom : /1599-0011
KT olleh : /100
LG U+ : /1544-0010
Ordinary Home Telephone
Website and Telephone for Ordinary Home Telephone Service Providers
KT : , 100(Korean) / 1588-8448(Foreign Languages)
SK Broadband : /106
International Phone Call
How to make an international call
International Call Service Code + Country Code + Area Code + Phone
Number
Do not press “0” in front of the area code and the telephone number, if
there is any.
Major International Call Service Numbers
KT(001), LG U+(002), SK Telink(00700)
The rate system varies among service providers. One can save on
telephone bills by using the service during reduced rate hours such as
in the morning / late night during weekdays, holidays, and so forth.
Internet
How to subscribe : One can sign up for the service by phone. As subscription
fee, monthly rate, and so forth may vary among service providers, it is
recommended a comparison of the different service packages be made
before signing up for subscription.