Who called from 4808882328

I received a phone call from this number trying to lower my credit interest rates. It is a scam. Call it back and it doesn't have a dial tone.

I missed a call from this number and did not recognize it.  No message left either.

Received a call today. Called it back and had a fax sound pick up.

Got a call from this number, I tried to call back and get the recording "We are unable to complete your call at this time"

Going through missed called and received one from this number.  Did not respond