It doesn' matter what iphone you have. The trick works with any iphone 3/4/5/6.

In this case I do it with my iphone 5

This gives your iphone calls some level of anonymity, preventing the phone number from showing up on the receiving end:


1. Launch “Settings” and tap on “Phone”
2. Tap on “Show My Caller ID”
4. Slide to “OFF”

This feature exists in almost every conceivable version of iOS, so it doesn’t matter what version you’re using you’ll find the toggle to disable your calls from caller ID setting:




That's all folks