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. To ...

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 ...

Block Your Cellphone Number From Caller ID People know it is you calling when your caller ID pops up on their phone, but it does not have to be like that. There are two ways to keep your identity ...

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.

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.

Too many calls from telemarketers and other nuisance callers on your smartphone? Here are apps and settings to help you identify and block those calls and texts.

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.