Does * 67 still work?

Use *67 to hide your phone number

On a per-call basis, you can’t beat *67 at hiding your number. This trick works for smartphones and landlines. Open your phone’s keypad and dial * – 6 – 7, followed by the number you’re trying to call.

Does * 67 block your number?

Use the *67 code

Specifically, adding *67 to the start of any phone number will block your caller ID when you call that number. This is a quick and temporary way to block your number when making calls. Nearly all phone service providers support it, it works on both smartphones and landlines, and it’s totally free.