Numbers with this prefix were first introduced in 1994.While 4085564000 was originally issued with the info above, the owner of the phone number (408) 556-4000 may have transferred it through a process called porting.
Caller type: Prank Caller
After being disconnected while in process of resolving issue with apple support representative I am disconnected and this number calls me several times which I answer and no one speaks, and simply hangs up the call. I suspect this is support staff/telemarketing sand bagging their required quota calls.
Caller type: Unknown
This number and the 8182850205 call me. These numbers are for hacking / tapping / tracking cell phones. I have lost two computers and two cells. I didn't understand what was happening at the time. These numbers are harming our personal security. I am still having problems.