Called me 10 minutes ago.  Knew from the get-go (non-existent 187 prefix) it was a scam, so decided to mess with them a little..

Female scammer:  "Hi this is so-and-so from SRI, we're a licensed contractor doing work in your neighborhood blah blah blah"

Me:  "What's your contractor's license number?"

Female scammer:  "We don't give that out over the phone"

Me: "HAHAHAHAHA!  You don't give it out over the phone because you don't have one, you're calling me from a spoofed number, you're a crook and a scam artist, and you can go straight to hell!"  <click>

Got call from 310-187-7525.  Didn't answer and no message was left.  Don't these people EVER give up????

Spoofed number.

Check your area code for available prefixes. Chances are that 187 isn't among them, which means you can safely block all 187 prefixed numbers--assuming you have a Panasonic phone. Unfortnately, Android cell phones won't let you block spoofed numbers.

Disconnected number scammer!  BLOCKED