Your phone number cannot be blocked while calling toll-free numbers or emergency services. The temporary way of keeping your mobile number invisible from caller ID is as easy as 1, 2, 3.

Caller ID automatically displays the phone number for anyone who calls your Android phone unless that number is already in your Contacts app. In this case, the name of the person also appears.

With "No Caller ID," the caller has used a feature that hides their identity at the network level. Because of that, there's ...

Heck, maybe you’re getting harrassed by an ex-employee. If you have an Android phone, help is at hand in the form of WhoAreYou, a free app that provides visual Caller ID and blocks unwanted calls.

Again, if you do not see the "Caller ID" option in your Android's settings, your cell phone carrier may not provide this capability. Other Ways to Block Your Number AKA Make a Private Call ...

Here you can enter a phone number to block, or select a number from your recent call log. By default, SMS messages from the numbers on your block list will also be blocked along with calls.

You can block a phone number or contact on Android from the Phone app, your contacts list, recent calls log, and more. Here's how to do it.

Google’s phone dialer for Android already provides detailed information about your contacts and provides caller ID for many businesses that aren’t in your contact list.