통신비 미환급금 조회방법 및 환급 받는방법 How to inquire about unreimbursed communication expenses and how to receive a refund
Unreimbursed communication fee When a wired/wireless service subscriber cancels (including number transfer cancellation), the usage fee is settled until the time of cancellation, but after the settlement, overpayment due to rate discount, etc., or advance payment such as deposit is not received. 통신비 미환급금 조회방법 If you have canceled or ported a cell … Read more