Who called from 8315027293

repeated calls from different numbers beginning 831-502- Only picked up once, and the other end automatically hung up

Same exact situation. Repeated calls from numbers beginning with 831-502-7xxx for a couple of weeks now. I don't answer and they never leave messages. Super obnoxious.

I believe this is the UCSC Alumni Association calling to solicit membership, or donations.  I know it's UCSC affiliated, but not sure if Alumni Association.  I haven't answered the calls either.

I just got a call from this at 8:30 on Sunday night. No message. Very weird.

UCSC Alumni Association