Protect your privacy. Hide your caller ID info from the person you're calling.
Note: This article applies to AT&T local home phone service. Don't have traditional phone service? Select Phone service or wireless service.
Per-Call Blocking allows you to block your number, on a call by call basis, from appearing on the caller identification (ID) unit of the person you are calling, free of charge.
To block your number from displaying on a caller ID unit:
Repeat these steps for each call you wish to block your number from displaying on a caller ID unit.
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