Numbers with this prefix were first introduced in 2000.While 4084546387 was originally issued with the info above, the owner of the phone number (408) 454-6387 may have transferred it through a process called porting.
Caller name: Achmed Al Terrorist
Caller type: Scammer/Fraudster
Claimed to be a marketing firm for Tebis, a software company in my field. Had mine and several of my coworkers names and wanted to confirm e-mail and phone extension numbers.