Why is 147 a fraud number?

147 is not for personal use, and some fraudsters will use these numbers for fraudulent activities. The mobile phone number segment at the beginning of 147 belongs to the IOT number segment of China Mobile, and is usually used for IOT devices and smart devices. Because these numbers are not for personal use, some fraudsters will use these numbers for fraudulent activities, so as to achieve the purpose of hiding their identity or avoiding tracking. Therefore, some calls starting with 147 will be identified as fraudulent calls.