Telus can block spam text messages via proprietary anti-spam safeguards. That said, Telus can't catch every message. Also, the company doesn't have the ability to stop third party individuals or companies from calling or sending text messages to specific phone numbers. Telus recommends that you add your phone number to the National Do Not Call List and use your smartphone's unique call- and text-blocking features to block unwanted contacts. Telus also suggests that customers sign up for the company's Call Screen subscription service. With Call Screen, you can block up to 12 phone numbers. When a screened caller attempts to reach you, even with call-forwarding activated, the call fails to go through. The caller also can't leave a message. Instead, Telus plays a pre-recorded message that informs them that you're not accepting any calls.  To deal with spam callers who use unlisted "private" numbers, Telus recommends that you check if the free Anonymous Call Block feature is available in your market. With Call Block, you can set your phone to block all unlisted number calls.