Use *67 before the number if your country and carrier support caller ID blocking
Check your phone settings for “Show my caller ID” and turn it off
Use a different phone line or a prepaid SIM if needed
Call through a VoIP app or service that allows caller ID control
Ask the recipient to unblock your number if they have blocked it
Contact your carrier to see whether your number can be unblocked or changed
Use a different number if the block is permanent
Send a text, email, or voicemail if calling is not possible