App that blocks 800 numbers?I

[Insane_Cat]

Is there one? It has to work on the devour.

 

[Backnblack]

Here's a bunch to choose from....

call block

 

[Nibbler]

Nothing screams fun like getting a new number and finding out the previous owner owes money to their bank.. try as I might they don't get the hint that I am 1) Not female, 2) do not live in their city, 3) obviously don't have an account with them..