There are two ways to blacklist a number on your system. To block unwanted callers, perform one of the following:

Feature Codes

  • From a system phone, dial *32 to block the last number to call.
    • NOTE: Make sure the number played back is the number you want blocked.
  • From a system phone, dial *33 and enter the number you want blocked.
    • NOTE: Make sure you include the area code (10 digit number).

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