Can Truecaller identify Hidden or Private numbers? No, it's not possible. The number needs to be visible on the screen in order for Truecaller to identify it.How does Truecaller really work?
How Does Truecaller Work? The working of truecaller is simple - when a person downloads the application, the contact information gets stored in the truecaller database. This is how Truecaller creates its huge database of users as well as the information on the contacts stored in the phonebook.How to check caller ID?
Look on the telephone display to see the name and number of the caller.