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for blocking numbers for land line we need to pay
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Hello @effeil1979!Blocking unwanted phone calls couldn't be easier on your landline service! Simply follow these steps and you'll have peace and quiet in no time:
If you ever decide you want to remove numbers from your block list, simply press *, dial the 10-digit number, and press * again.Let us know if this helps!Alexander, AT&T Community Specialist
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