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 )