Can Truecaller identify Hidden or Private numbers? Updated January 16, 2019 20:36 Follow No, it's not possible. The number needs to be visible on the screen in order for Truecaller to identify it. Related articles What is a hidden number? Who viewed my profile? Live Caller ID is not working (All devices) How do I unlist my phone number? Live Caller ID is not working (Samsung) Comments 0 comments Article is closed for comments.