Who called from 2132560038

Called today at 11:42 AM PDT.(Sunday) on 26th of February 2017. Caller ID showed "2132560038 / 213-256-0038". We Let answering machine pickup & Caller didn't leave any  message on our answering machine.
Call Type: Unknown

Called today at 2:21 PM PDT.(Sunday) on 26th of February 2017. Caller ID showed "2132560038 / 213-256-0038". We Let answering machine pickup & Caller didn't leave any  message on our answering machine.
Call Type: Unknown

Called 3x yesterday and once today. I let it ring, no message left. Blocking!!

Called today at 3:24 PM PDT.(Monday) on 27th of February 2017. Caller ID showed "LOS ANGELES  CA / 213-256-0038". We Let answering machine pickup & Caller didn't leave any  message on our answering machine.
Call Type: Unknown

Called twice on a Sunday left no message. I called back and it went straight to voice mail but said the mailbox is full. I smell spam.