The tracking number may come from the USPS, UPS, or another carrier; how scammers access the numbers is unclear, but that's a problem for the carriers to address.

Ok so I just shipped a new 120gb drive to someone from the Agora. I put tracking on it because I figured that was safe enough, but now I'm quite worried considering the tracking number isn't ...

USPS has the worst "tracking" ever. It usually says that the number is invalid, doesn't exist, or that there is no information available on it, until days after it is delivered.

The tracking number may come from the USPS, UPS, or another carrier; how scammers access the numbers is unclear, but that’s a problem for the carriers to address.

Spokeo shares actionable tips to prevent and survive fake tracking number scams.