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Using Caller ID Per Line Blocking

Last Updated: Wed, 04 Mar 2015 > Related Articles

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Block your name and number from being displayed to others.


Caller ID Per Line Blocking prevents your name and number from being permanently displaying. Learn how to create and disable a block. To set up per-line blocking, contact a Cox customer support representative and ask for Caller ID Per Line Blocking.

Temporarily Suspend Caller ID Per Line Blocking

To temporarily suspend per-line blocking and allow your name and number to be displayed, press *82 prior to each call.


  • Calls to 911, 800, and 900 numbers cannot be blocked. Visit the National Do Not Call Registry for information on preventing unwanted calls.
  • Caller ID Per-Line Blocking is free of charge, but you must notify Cox that you want the per-line rather than the per-call blocking option.
  • If no option is chosen, Caller ID Per-Call Blocking is assigned.
  • Once a blocking option is selected, you can change the blocking option one time, free of charge.

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