Caller ID Blocking prevents your telephone number from being displayed when you make other calls. The words "Private" or "Anonymous" appear on the display unit or telephone set display screen when Caller ID Blocking is in effect.
Enable Caller ID Blocking
Press *67 before dialing the number to call. Rotary dial telephones will need to dial 11 in place of the * key. For example *69 is 1169 on rotary phones.
Caller ID will be blocked on this call only.