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| Carrier | Permanent Unblock Code | |--------|------------------------| | AT&T (traditional) | *31# | | Verizon (traditional) | *82 then 1 to confirm | | Comcast/Xfinity Voice | *82 (permanent via online portal) | | CenturyLink | *82 or call customer service | | Cox | *82 | | Spectrum Voice | *82 | how to unblock my landline phone number
