Many modern VoIP services allow for "Anonymous" or "Private" caller ID settings that are recognized by carriers without violating federal laws. Final Verdict
Mobile service providers pushed for the removal of such apps to protect their customers from spam and "neighbor spoofing" scams. spoofapp apk
A free (in the US) and secure way to manage a secondary number that masks your personal cell phone number. Many modern VoIP services allow for "Anonymous" or