I had cable service from XXXX XXXX that was contracted through XXXX XXXX. All billing for my cable service was received from XXXX. I never had an account directly with XXXX XXXX. Upon the end of service, I received a bill from XXXX that reads FINAL BILL more than a year ago. The FINAL BILL showed that I overpaid the account by more than {$50.00}. However, XXXX XXXX created an account after service ended and continues to send me fraudulent bills via collection agencies attempting to collect at first {$230.00}, then {$140.00}, and recently {$98.00}. On XX/XX/XXXX, I contacted XXXX via certified letter to dispute the debt, provided a copy of FINAL BILL proving balance was not owed. This collection company stopped contacting me after the letter was sent. Then I received collection attempts from XXXX XXXX XXXX in XX/XX/XXXX and XX/XX/XXXX. Again, I sent a certified letter to dispute the debt, provided a copy of the FINAL BILL providing the balance was not owed. This collection company also stopped contacting. 
However, on XX/XX/XXXX, another collection company called Allied Interstate has sent me a letter attempting to collect the debt. Will all collection companies across the USA attempt to collect an alleged debt on a fraudulent account for the rest of my life? Will I be required to send certified letters every 6 months when XXXX XXXX sells the fake account to another collection agency until the statute of limitations passes ( another 5.5 years from now )?