Got a call from this number today (7/1/2017) at around 11 AM. Caller ID had no name, just "720-259-6124". As with all "no name" calls, I let it roll thru to voice mail. Whoever it was didn't leave any message. Tried calling the number back (using *67 to block my own CID). Got a fast busy signal, which indicates that the number is either invalid or out of service. In other words, this was a junk call. Added the number to my phone's Call Block List.