Do-Not-Call service is available for financial consumers from September 1. You can register phone numbers which you want to be automatically blocked or denied on www.donotcall.or.kr. Once registered, phone calls and emails sent from the respective financial companies will be blocked for 2 years. The service is only available for cell phones and smart phones. You have to call the respective financial company to block phone call, SMS, or email services for landline telephone.