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Optimum offers high speed fiber Internet for the home, TV packages featuring live and on-demand TV and movies. Optimum has the latest 5G Mobile phones.

Cablevision also offered a WiFi-only mobile phone service dubbed Freewheel. On June 21, 2016, Cablevision was acquired by European telecom conglomerate Altice. The former Cablevision …

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Customer service from Optimum. Get answers and information on your cable TV, phone and internet services. View Frequently Asked Questions.

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Please enter your Cablevision account number below. This will enable us to provide you with the service you've requested. The number can be found halfway down the page of your …

Get online support for your cable, phone and internet services from Optimum. Pay your bill, connect to WiFi, check your email and voicemail, see what's on TV and more!