How to Block Caller ID Spoofing

Techwalla may earn compensation through affiliate links in this story.
A man holding a cell phone types on his laptop
Image Credit: romankosolapov/iStock/Getty Images

Caller-ID spoofing is the process of changing the name that comes up on another person's phone when you call them. Caller-ID spoofing software can change the Caller-ID that appears to anything the user wants. One good way to block such practices is to use a service that reveals the true number of the caller.


Step 1

Visit a website like

Video of the Day

Step 2

Click on "Try Trapcall Free."

Step 3

Click on "Start free trial." Fill out your information in the boxes once the next page loads. Click "Create Account."

Step 4

Deny a call that you get that may be caller-ID spoofed. Trapcall will then send you the true number of the caller.


references & resources