Numbers with this prefix were first introduced in 1996.While 5102855801 was originally issued with the info above, the owner of the phone number (510) 285-5801 may have transferred it through a process called porting.
Caller type: Unknown
Called and asked for my name. I asked who was calling, they asked my name again. I asked who was calling again. they said last chance, I said "next time say where you're calling from A-hole" and hung up. not willing to say where you're calling from I'm not willing to talk to you