Optimum Customer Service Toll Free Number

optimum customer service

Owned by Cablevision, Optimum is an American cable television, internet, and home phone service provider. The company serves both homes and businesses in major parts of the US.

How to Contact Optimum Official Support Team

Optimum has multiple customer service helpline options which include email support, live chat support, and Twitter support along with the following helpline numbers.


  • 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

Common issues with Optimum Service

  • No Internet network for the last couple of days. Unable to access the internet.
  • Facing problem of frequent disconnection while trying to visit a website.
  • Slow internet speed.
  • Having issues in activating new optimum cards.

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