How to effectively prevent 58 consecutive harassing calls in the same city?

The specific reference method is as follows:

1, the current mobile phone system generally has a mobile phone number added to the blacklist, which can intercept incoming calls from this number;

2. You can also use the number marking function of the mobile phone system to mark the number as fraud, express delivery or other types;

3. Turn on the harassment interception of Tencent's mobile phone housekeeper, and add the numbers that often send spam advertisements or make sales calls to the mobile phone blacklist.