You can fake or disguise you caller id for free. Make any number you want show up on someone’s phone.
There is a demo on THIS PAGE. You don’t need a calling card and you can try it right away.
Here are a few reasons for changing your caller id to another number.
- Prank calls
- making an anonymous call
- hacking into a voicemail
- making it look like you are calling from the office
- law enforcement
- bail bondsmen use it to catch criminals
What are some reasons that you would want to hide your caller id?
- Spoofing Caller Id (freecalleridspoofing.com)