“Do you have to have caller ID to have the call blocking device work? I have a land line, they do not provide caller ID for me. Century Link, on a copper wire land line. I live in the Woodhill Development in Payson, AZ”

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• Caller I.D. Is a feature included in the phone, I don’t pay for this service with my landline provider.

  Answered by RobocallsCanDie 7 years ago

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• No, you can manually enter a phone number. Very easy in the settings.

  Answered by Shppr456 7 years ago

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• No you don't have to have caller ID . Sometimes if you know the number you want to block, that's all you need.

  Answered by Ayayatan 7 years ago

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