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. To ...

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.

Whether it's to avoid telemarketers, maintain anonymity or simply keep personal information private, blocking your phone number from appearing on caller ID is an essential tool.

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.

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.

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 ...

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 ...

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.

Google caller ID, spam protection for Android users launched; here's how it works To use Google caller ID and spam protection, your phone may need to send information about your calls to Google.

How to Spoof Your Caller ID Between 2004 and today, dozens and dozens of Caller ID spoofing companies have been established to meet this incredible need for people to spoof their phone numbers.

That means Facebook's Android dialer could give you Caller ID information on incoming calls from people who aren't in address book or Friends list.