800 Numbers

How to call Optimum: use the toll free number below to contact customer service for tech support and help with account questions. When you call, you will be asked the questions below.

New Service


Optimum Customer Service


  • Welcome to Cable Vision home of Optimum business, this call maybe monitored or recorded for quality assurance purposes.
  • If you are calling about Cable Vision for your business press one,
  • if you are calling about Cable Vision services for your home press two.
  • We see that the telephone number you are calling from is XXX-XXX-XXXX.
  • If you are currently an Optimum customer and this phone number is the one associated with your account please press one
  • Otherwise press two.
    • In order to better serve you please enter you ten digit main business telephone number starting with the area code.

Other Numbers

Sales: 855-267-8468

Connecticut Residential Customer Service: 203-870-2583

Connecticut Residential Sales: 203-870-2491

New Jersey Residential Customer Service: 973-230-6046

New Jersey Residential Sales: 973-230-2036

Long Island Residential Customer Service: 631-393-0636

Long Island Residential Sales: 631-393-0706

NY: Bronx / Brooklyn / Westchester Residential Customer Service: 718-860-3513

NY: Bronx / Brooklyn / Westchester Residential Sales: 718-975-1179