Need a app that will change your number when you call someone

[issjakers]

I Need a app that will change your number when you call someone, also an app that wont show my number on the other persons monthly bill,
I want to call my girlfriend but her parents hate me and they check the bill, i was hoping there is another alternative

 

[SJ-CALI]

Jail broken iphone and download caller ID faker.... you can change the number they will see on their end....

 

[crayon]

You can turn off your caller ID in the settings. It will show as withheld and won't show up on the bill.

 

[nycadam]

App called Burner does exactly what you describe. It allows you to generate disposable phone numbers that will work for a short amount of time as well.