How to stop private calls from coming through on your phone?

Solution
There is no way to stop someone from trying to call you. You can check your phone's settings (usually in the calling app) to see if it has the option to block Private calls. That won't stop them from calling you, but it will usually react as if you had hit ignore and send them directly to your voice mail. There are other apps you can install on the phone that can also do this, if your phone doesn't have the option already.

You can also check your account on your carrier's/service provider's website. You may have the ability to make that change in there as well. Rather than directly on the phone.

Most phones, however, do have the option to block 'unknown' calls, 'private' calls and often also 'blocked' calls. However 'unknown' should...
There is no way to stop someone from trying to call you. You can check your phone's settings (usually in the calling app) to see if it has the option to block Private calls. That won't stop them from calling you, but it will usually react as if you had hit ignore and send them directly to your voice mail. There are other apps you can install on the phone that can also do this, if your phone doesn't have the option already.

You can also check your account on your carrier's/service provider's website. You may have the ability to make that change in there as well. Rather than directly on the phone.

Most phones, however, do have the option to block 'unknown' calls, 'private' calls and often also 'blocked' calls. However 'unknown' should cover all of that.
 
Solution