Have you ever successfully traced a private number? Let us know in the comments below.

Sometimes you ignore it. Other times, you miss a call that actually matters—maybe from a doctor’s office, a job recruiter, or a family member calling from a hotel line.

According to the FTC, over 60% of anonymous calls are robocalls, debt scammers, or “Can you hear me?” fraud attempts. Legitimate businesses almost never use *67 for routine outbound calls.

When they do this, the phone network replaces their real number with a generic label like "Private" or "Unknown" before it ever reaches your phone.

But don’t close the tab yet. While you can’t magically reveal a hidden number on your screen, there are legitimate ways to stop missing those calls—and even a few carrier tricks to try. Let’s break it down. A private number (also called a blocked, restricted, or anonymous caller ID) occurs when the person calling you has deliberately hidden their phone number.

So, you ask the obvious question: How do I unblock a private number and call them back?

The short answer is frustrating but important to understand upfront:

They do this by dialing a special code before your number. In the US and Canada, that code is *67 . In the UK and many other countries, it’s 141 . In Australia, it’s #31# .