Can Truecaller identify Hidden or Private numbers? Updated July 21, 2019 00:48 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.