Who called from 4155624137

Received a call from this number . No message left. One hour earlier received a call with no message from 415-222-0000.

I first noticed this number calling on my sister's phone and i told her just let it ring or hang up before even answering because we don't know the number or anyone from San Francisco (which was where the phone said it was from) and then later I've started receiving calls on my phone which i have no idea how my phone could be related to my sisters

overall a little suspicious

Are we all I'm California? Because I want to understand if this is some conspiracy, I'm in California, Southern California to be exact.

I'm in Southern Cal and was called twice today with this number... they also tried 415-222-0000 on me yesterday.  Blocked both.

I am also located in Southern California and am receiving numerous calls from 415-222-0000 which I blocked and am now receiving calls from 415.562.4137 which I also intend to block.