This a T-Mobile automated number.  If you are a T-Mobile Customer or a Consumer Cellular Customer.  They have this number automatically call you to charge for minutes you do not even use.  The customer service rep @ Consumer Cellular said that I was calling this # deliberately.  I told her that I had no acquaintances in California.  Another customer service rep from the same company told me to put this # on my automatic call rejection list.  I did and T-Mobile started using a different # to call me again to charge me for minutes I did not even use.

I received a call at 12:33 AM from 805-637-7456 and my number is on the Do Not Call List.

805-637-7456 sends me a number of empty voicemail messages to make me
pay for some useless minutes.
is it Consumer Cellular?

This call was a rambling message telling  me the IRS is looking for me and I could be arrested.
What nonsense,  I have lived at the same address for 34 years and have never had as much as a
traffic warning or any other problem.  This is really very upsetting and I want someone to do something to keep this number from getting thru.   Thank you.

I don't answer calls from numbers I don't recognize.
I have had 2 calls in voice mail from 805 637-7456 now.
The first was an emergency weather alert from my local Illinois police department.  Kind of important.
The second was a voice mail from my husband that should have showed as being from him.
My carrier is Consumer Cellular.  I phoned them to ask how I can delete a voice mail from a number that I can't identify, without actually listening to it. They told me the only way was to actually listen to the voice mail and then delete it.
It seems this number is used as a catch-all number for wayward calls, or for scam artists.  I will NOT answer any calls from this number.