How to block the number of calls in the whole area?

You can add this area code in the blacklist management of smart phones. Enter the blacklist management interface, select the initial number mask, then enter the area code, and click Save to block the phone number of the area code. Taking Huawei mobile phone as an example, the setting method is as follows:

1. Click the call sign on your mobile phone to enter.

2. After entering the dial-up interface, click Settings on the right and select Harassment Interception to enter.

3. After the page jumps, enter the setting interface and click the number blacklist to enter.

4. After the page jumps, enter the blacklist interface of mobile phone number.

5. Pull the page down to the bottom, click the Add button, and select the number matching button at the beginning.

6. At this point, enter the area code to be blocked in the number blacklist setting dialog box that pops up, and click OK.

7. After the page jumps, you can see that the first number 073 1 has been added to the blacklist, that is, you can block the phone at the beginning of the area code.