If you globally hid your outbound caller ID through your iPhone settings, you can reverse it directly in the iOS software interface. Open the app. Scroll down and tap Phone . Select Show My Caller ID . Toggle the switch to On (green).
If the above settings do not work, your carrier may have a permanent block on your line. how to unblock your number when calling
The Ultimate Guide: How to Unblock Your Number When Calling When you block your caller ID, your phone number appears as "Private," "Unknown," or "Restricted" on the recipient's screen. If you previously hid your identity and now want people to see who is calling, you must unblock your number. If you globally hid your outbound caller ID
Dial *82 followed by the recipient’s full phone number. Select Show My Caller ID
If your number still shows as private after following these steps, use this diagnostic checklist: