Can't Talk on Phones in House ANymore

I cannot talk on any of our phones inside my house anymore.  I have spent two hours on hold with representatives with no resolution.  A lot of people in my neighborhood who have Verizon have had no cell service in their houses either -- and this has been going on for months, not just during COVID.  Is anyone having the same problem?  I cannot get any representative to help me.  THey keep putting me on hold.