Unfortunately yes, scammers use non-fixed VoIP phone services because of their amazing features that help them conceal their identity. They can easily replace the non-fixed VoIP phone number if they get blocked. The number is not easily traceable to them because it is not associated with any physical location. Scammers can easily manipulate their caller ID to appear legitimate at the receiver’s end. This cool feature that helps businesses such as call centers operate effectively from remote locations is unfortunately exploited by scammers.  The use of non-fixed VoIP numbers by scammers is a well-documented topic on the internet. Scammers use it to make anonymous calls or impersonate other people. Non-fixed VoIP numbers are cheap, flexible, and allow users to be anonymous. Put these three reasons together, and it is easy to see why scammers love and use non-fixed VoIP phone numbers.