Can Truecaller identify Hidden or Private numbers? Updated December 16, 2018 10:19 Follow No, it's not possible. The number needs to be visible on the screen in order for Truecaller to identify it. Related articles Who viewed my profile? What is a hidden number? 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.