Unknown Numbers Blocker

Unknown Numbers Blocker will blocks private numbers calls, enable one of blocking options: "Private numbers", "Unknown numbers"
This app is easy to use for block unknown and private numbers, provides wide range of functions.
Rejects unwanted phone calls from hidden callers such as telemarketers or spammers.

Features:

- Blocking of unknown numbers.
- Blocking private numbers.
- Rejects unknown and private numbers