Stellar Recovery Inc. Debt Collection Complaint

Stellar Recovery Inc. Debt collection department,

Other (i.e. phone, health club, etc.) Disclosure verification of debt Right to dispute notice not received California

I recently closed my comcast account and paid all the statement balance. And now just realized there is a debt collection place on my credit, i have never received any bill from comcast showing that i owed them the amount the debt collectors placed on my credit.Never received any statements from comcast nor the debt collecting agency