How do you block your phone number when calling someone?

Question

It's some number you type in before dialing, that makes your number come up as unavailable or blocked...?

Answer 1

It's either *67 or *69

Answer 2

*67 to block and *82 to unblock

Answer 3

*67 on landline too

Answer 4

its *67 and it works on landlines and cell phones!!!

Answer 5

You should have the feature called Per call block

it will block only for one outgoing call

dial *67xxx-x*x-xxxx

Answer 6

Still *67