Whenever a carrier receives a call and information appears on their screen, they are performing what’s called a “CNAM Dip.”

Throughout the country, there are various carrier databases that the telecom service providers use in order to store CNAM information. This information can include the name of the person who owns the number and the city and state they reside in. Whenever you see the name and number of a phone call pop up on your Caller ID, it’s using CNAM technology in order to provide this information.Īlthough Caller ID will typically only display the ten-digit phone number of the caller, CNAM can include as many as 15 characters that are associated with the number. What Does CNAM Mean?ĬNAM stands for Caller Name and is a feature used by telephone networks in the United States in order to provide an accurate name and identity of the calling party. Whatever the reason might be for needing to know the location of someone, looking up the phone’s CNAM is one of the most effective and commonly used methods.

Parents, for example, will often install apps on their children's phones in order to know their location throughout the day. The first line from The Privacy Project sounds a bit frightening and scary for some, it also has several benefits, such as locating a missing person or dangerous criminal. Thompson and Charlie Warzel, The New York Times, Dec. “EVERY MINUTE OF EVERY DAY, everywhere on the planet, dozens of companies - largely unregulated, little scrutinized - are logging the movements of tens of millions of people with mobile phones and storing the information in gigantic data files.”

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