Why?
When you block a number, Verizon’s switch flags that number ID. Even after you unblock, some Verizon exchanges retain a "reputation cache" for up to 90 days. The network thinks, "This number was blocked before; maybe it’s spam." unblock phone number verizon
Have you struggled to unblock a number on Verizon? Did the "Phantom Block" get you? Let me know in the comments. Why? When you block a number