Numbers with this prefix were first introduced in 2008.While 4088995914 was originally issued with the info above, the owner of the phone number (408) 899-5914 may have transferred it through a process called porting.
Caller type: Unknown
Call came through as a callback from Capital One to confirm identity via a provided code. If a scammer intercepted this request and pretended to be Capital One then I am very disturbed. It will need to be investigated.