Cablevision Customer Support Service Phone Number

Cablevision was an American cable television company service surrounding areas of New York City. It was known to be the fifth largest cable and the ninth largest television service provider in the United States. While it server in more than 18 states at one time, however, in its final years, it was serving customers living in New Jersey, New York, Connecticut, and some parts of Pennsylvania.

In 2016, Cablevision was acquired by Altice, a European telecom conglomerate. At present, the company is functioning under the brand Optimum and offers numerous services including Internet, TV, Phone and more. The company ensures the satisfaction of customers by providing assistance via it Cablevision customer support whenever they have any query or problem with Cablevision product or service.

Why You Need Cablevision Customer Service

Be it a problem with your Internet connectivity or with Phone or Television service, for each and every issue, a user can seek assistance from Cablevision customer support. Some of the most common issues and queries that a user experience with Cablevision products and services are mentioned below.

1.) Having a problem connecting multiple computers to Optimum Online.

2.) Internet speed is very slow even when nothing is on download or upload.

3.) Having problem adding additional email addresses to my Optimum Online Account.

4.) How much email storage capacity do I get with my Optimum account?

5.) Having problem updating password for my Optimum account.

6.) My Optimum TV remote control is not working properly. How can I get it replaced?

7.) Certain programs are being “blacked out” on my TV.

8.) Having a problem connecting multiple phones to Optimum Voice.

9.) How can I transfer my Telephone Number to Optimum Voice?

10.) How to activated and deactivate call forwarding in Optimum Voice?

So, regardless of the Cablevision product or service, at home or office, you can get quick assistance for all your queries and problems at Cablevision customer support.

How to Contact Cablevision Customer Service?

Following are the options available for assistance at Cablevision customer support. From phone number support to live-chat and frequently asked questions, you can choose assistance option as per your requirement.

Phone Numbers


  • 1-866-218-3259


  • Residential Customer Service 203-870-2583
  • Residential Sales 203-870-2491

New Jersey

  • Residential Customer Service 973-230-6046
  • Residential Sales 973-230-2036

Long Island

  • Residential Customer Service 631-393-0636
  • Residential Sales 631-393-0706

NY: Bronx / Brooklyn / Westchester

  • Residential Customer Service 718-860-3513
  • Residential Sales 718-975-1179


Optimum Support App:

Business Support:

Pay Bill Support:

Phone Support:

TV Support:

Internet Support:

Live Chat Support:

Support According to Equipment You Are Using:

Frequently Asked Questions:

Twitter Help: @OptimumHelp

Social Media Pages

So, these are the assistance options you can choose from when seeking help from Cablevision Customer support. For more information on Cablevision sale, product, and service, kindly visit the official website at

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