] ] Slated for launch this week, Star38.com would offer
] ] subscribers a simple Web interface to a Caller ID
] ] spoofing system that lets them appear to be calling from
] ] any number they choose. "It creates an extra avenue for
] ] them to have someone pick up the phone," says founder
] ] Jason Jepson.

If this isn't already illegal, I expect it will be soon...

RE: US website offers Caller ID falsification service | The Register