How Do You Block No Caller ID Calls on an iPhone?
There are lots of ways to block no caller ID calls on the iPhone. The phone includes some features specifically designed to block these calls and it also gives you some tools you can adapt to this use. You can also get help from your phone company and the national Do Not Call registry.
Silence Unknown Callers on iPhone
The simplest way to block unknown callers on iPhone is to use a built-in feature by following these steps:
Block Calls on iPhone With Do Not Disturb
The iPhone’s Do Not Disturb feature lets you block all kinds of notifications—calls, texts, app alerts, etc.—in certain conditions and time periods. The feature is designed to let you focus on work, driving, or sleep, but it can also be used to screen unwanted calls. Here’s how:
Block No Caller ID Calls on iPhone with a Fake Contact
This is a cool trick that takes advantage of how the iPhone handles contacts in your Contacts app.