Who called from 6204809474

Don't know who this is, they have called me twice today.

Sounds like a busy robo caller! I got a call too at 12:30 today Nov 23. I didn't answer and they didn't leave a voice mail.

Credit Card Service Scam.
Added to my blocked list.

Got a call from this number @ 11:55am on 11/23/2015...no message left, number blocked

Add the phone number to your phone list as "Do not answer 01" and keep adding them I have over 703 numbers listed as "Do not answer" certainly save a lot of hassle in the future.  Most of them never stop calling...