There a lot of people that uses a Caller ID Spoof service. They are being used for many causes, from the legitimate to the criminal. Government agencies, law enforces, collection agencies, and private businesses, for example, uses phone spoofing to increase the likelihood that the person they are calling will pick up the phone. Also, caller ID spoofing services are also being commonly used by prank callers for they can use it to scare the person they are calling plus being hard to trace. Of course, you can't use a reverse phone lookup service to find out who's calling you if you have no info about them or their phone number.

There are a lot of ways of spoofing a caller ID. One of the most commonly way used is using an actual Caller ID Spoof service. A spoofing service, which is usually based on the internet, will ask for the source number, the number of the person you are calling, and the number that you want to appear on their caller ID. The spoofing service will then call you and bridge your phone by connecting your call to the person you are calling. Another way to spoof a number is to use a spoofing program, which can be easily found on the net. However, this can be only done if you are using a VoIP service.

Yes, it is really easy to spoof a call, but there are also ways to know if a number is being spoofed. Using a reverse phone lookup, with the help of the authorities, your phone service provider, and a company that can trace phone numbers, you can know who is the person spoofing you. This is really helpful when looking for a person that used a Caller ID Spoof service illegally. Always remember to practice responsibility when using such technologies.