Numbers with this prefix were first introduced in 2009.While 4083378299 was originally issued with the info above, the owner of the phone number (408) 337-8299 may have transferred it through a process called porting.
Caller name: Ssi
Caller type: Unknown
has been calling for days at night so we know it can't be SSI and when I typed it the 408-337-8299 number, all this info came up. Our phone automatically disconnects unknown numbers and we don't pick up unknown numbers. If they want us, they can leave a msg.