====== Cablevision Do not call ====== Here are the numbers to dial to stop Cablevision from calling and mailing you for their products. Do Not Call - 1-888-425-2088 ( Do not call for sales related Information ) Do Not Mail - 1-888-425-2090 ( Do not Mail for sales related Information ) Do Not Disclose - 1-888-425-2089 ( Do not Provide My Information to 3rd Party )