Per Call: Customers may block their number from being delivered on individual calls by pressing *67 (or dialing 1167 on a rotary phone) immediately before placing the call.
It is necessary to repeat this procedure before each call if the customer wants to block Caller ID.

Customer Originated traces and 911 Services are not affected by Caller Identification Blocking.

Per Line:
If a customer does not want their number displayed on outgoing calls, then they may subscribe to Per Line Blocking.
Per Line Blocking may be ordered by calling our business office.
In some cases the customer may want to have their number delivered with a call.
The number will be delivered on a call if the customer presses *82 or dials (1182 on a rotary phone) immediately before entering the telephone number.
Caller Identification Blocking does not affect customer Originated Traces and 911 Services.