How do I block unwanted calls on my landline for free?
How do I block unwanted calls on my landline for free?
Register with the National Do Not Call List (DNCL) External link. If you want to reduce the number of telemarketing calls you receive, you may register your residential, wireless, fax, or VoIP telephone number(s) on the National Do Not Call List (DNCL). Jan 10, 2022
