Service in Korean and Phone Number
| Service Type | Contact Number | Service Hours |
| Credit card counseling and incident reporting | 82-2-2004-1004 | 09:00~18:00 (Business days only) Incident reporting 24hrs/365days |
| CAT-i Pro menu and Security Programs | 82-2-3704-7711 | 09:00~18:00 (Business days only) |
