Southwest Collection Systems, XXXX XXXX XXXX, XXXX XXXX, TX XXXX, filed a collection notice with XXXX credit reporting agency in XXXX XXXX without any communication nor validation of the debt. The debt was originally satisfied in XXXX with XXXX through the return of equipment - which was validated by XXXX when they attempted to have me switch back to their service in XXXX XXXX. Southwest has not called nor provided any information regarding the alleged debt and can not be reached by the numbers provided to XXXX. A review of consumer complaints shows a pattern of aggressive tactics by this company.