On XX/XX/XXXX Enhanced Recovery Company , LLC called me several times and sent a notice that I owed {$690.00} to XXXX XXXX XXXX. I had no responsibility for the debt and disputed via mail. 
I received another debt notice from Enhanced Recovery Company , LLC for {$330.00} on XX/XX/XXXX. Again, I have no responsibility for this debt and am disputing it. 
Obviously, the company is fishing for victims who will pay the debt for whatever reason. 
Can something be done to stop them? 
Thank you in advance for any help you can provide. 
XXXX XXXX XXXX