Numbers with this prefix were first introduced in 1999.While 4089162100 was originally issued with the info above, the owner of the phone number (408) 916-2100 may have transferred it through a process called porting.
Caller name: "Yahoo"
Caller type: Scammer/Fraudster
Today I got an email, supposedly from Yahoo, telling me someone in the Dominican Republic tried to access my Yahoo account. The "from" info included this phone number. I do believe it's all a scam!