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Contents6
  1. Consumer impact summary
  2. Market control
  3. Incidents
  4. Monopoly status in New York towns (1973—Present)
  5. See also
  6. References

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Optimum
Basic information
Founded 1973
Legal Structure Subsidiary
Industry ISP, Telecommunications
Also known as
Official website https://optimum.net

Optimum is an American internet service provider (ISP) founded by Charles Dolan in 1973 as Cablevision.[1] In 2004, the company began to use the Optimum branding.[2] Altice would later buy Cablevision in 2016.[3]

Consumer impact summary

Overview of concerns that arise from the conduct towards users of the product (if applicable):

  • User freedom
  • User privacy
  • Business model
  • Market control

Add your text below this box. Once this section is complete, delete this box by clicking on it and pressing backspace.


Market control

Optimum is known to maintain monopolies in some New York territories.[citation needed (30 September 2026)]

Incidents

This is a list of all consumer-protection incidents this company is involved in. Any incidents not mentioned here can be found in the Optimum category.

Monopoly status in New York towns (1973—Present)

Optimum has historically benefited from a lack of competition in some New York territories, holding monopoly status in towns such as Brookhaven. Until 2026, the town had only had a cable and internet contract with Optimum (with those in the town declaring Optimum an "effective monopoly") before accepting a 5-year franchise deal with Verizon in 2026 to bring FiOS to Brookhaven.[4] Despite rumors that city council members of Brookhaven had colluded with Cablevision to maintain their Optimum offering as a monopoly, town leaders had long made clear that competition was something that they wanted for the town, voicing their concerns to the public at least as early as 2013.[5]

  • Fiber coverage map for Optimum in 2026 (Long Island, NY)
    Fiber coverage map for Optimum in 2026 (Long Island, NY)
  • Fiber coverage map for Verizon in 2026 (Long Island, NY)
    Fiber coverage map for Verizon in 2026 (Long Island, NY)

See also

References

  1. ↑ de la Merced, Micheal (17 Sep 2015). "The Dolans, the Clan That Built the Cablevision Empire, Say Goodbye". The New York Times. Archived from the original on 18 Sep 2015. Retrieved 7 Apr 2025.
  2. ↑ LIBN Staff (28 May 2004). "Cablevision's Optimum Voice to face new rivals". Long Island Business News. Archived from the original on 7 Apr 2025. Retrieved 7 Apr 2025.
  3. ↑ "Charles Dolan, HBO and Cablevision founder, dies at 98". ABC7. 10 Dec 2024. Archived from the original on 7 Apr 2025. Retrieved 7 Apr 2025.
  4. ↑ Harmon, Brian (26 Mar 2026). "Brookhaven strikes tentative deal with Verizon FiOS, breaks Optimum's cable monopoly". Greater Long Island. Archived from the original on 1 Oct 2026.
  5. ↑ Walsh, Sara (4 Apr 2013). "Brookhaven Town Leaders: 'We Want FiOS'". Patch. Archived from the original on 1 Oct 2026.
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