This service is usually provided for free by most landline and mobile phone providers. It allows you to automatically dial the phone number of the last incoming call you received, even if the call was marked as private. To reveal the hidden number, you can dial *69 (the call return feature). To do so, all they need to do is to enter *67 before the number of the recipient. Some people may choose to hide their number either for privacy concerns or with the intention to conduct illegal activities like harassment and scams. The called party’s phone can then display this information on the screen or announce it audibly, allowing the user to decide whether or not to answer the call. When a call is placed, the caller’s phone number and name (if available) is sent to the telephone network and then to the called party’s phone. What Is “Caller ID”?Ĭaller ID is a service that allows a telephone user to see the phone number and sometimes the name of the person calling them before answering the call. This post will help you unmask the caller ID and find out the identity of the unknown caller. You have no idea who is behind this mysterious call, and whether to decline it or to answer it.ĭoes this happen a lot in your everyday life? If so, you’ve come to the right place. Your phone is ringing, and “No Caller ID” pops up on the screen.

Unknown caller id