Why do my calls show up as no caller id when I call someone? (iPhone 6)?

I don't know what I did, but ever since making some prank calls recently (using *67) my calls show up as "no caller id" on other people's phones, even those who already have my number in their contacts. How can I change it back? I have an iPhone 6. 5 stars to best answer.

You should call your carrier. They should be able to help you resolve this issue because *67 should only work once for the number you used it on. It should not be active for all numbers dialed.

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