Who called from 9039652935

I have been getting calls for a Lashawna or Lashonda on my cell from this #, and I keep telling them I an NOT her , nor do I know her.  But they cont. To call and refuse to remove my number from their list.  I believe they are a debt collector, considering their persistence.  I've had this # for 3 yrs!!!

They threatened to come to my house and if you block the number they call from another.