Call Blocker is the best app for identifying true caller id name and blocking spam numbers & unwanted calls. Call Blocker trusted by millions users worldwide! Simple, effective and free. Call Blocker will automatically block phone numbers from spammers, telemarketers and robocalls. You can also block calls using Calls Blacklist. With the world’s largest phone number database, over two Billion calls blocked to date. ★ Call Blocker - Highlights ● Instant true caller id name to see who is calling