text service time: 24 hours a day/ 7 days a week. Transfer to real customer service: 07:30~23:00, Mon. to Sun. Content/Range of the service: this service is now only provided with information that is not included any privacy term. (e.g. advice with financial instruments that provided by CUB, marketing campaign , additional promotion in credit cards. ) To prevent others track or stole your personal information, please do not enter any private details (e.g. ID number, credit card number or password) when talking with text service. Please do not transfer any illegal message or the information that is not related with CUB while using the service, CUB has the right to cancel sending information out of the range of the service.