We've detected that you're using an older version of {{CommonHeaderCtrl.deprecatedBrowserName}}

Optimum.net is compatible with a wide range of browsers. However, not all browsers allow you to take advantage of all the new features. We strongly recommend that you upgrade to a more current browser.

goto Internet Explorer download goto Chrome download goto Firefox download

You need to change your Internet Explorer Compatibility View setting to get the most from the new Optimum.net

Click here for more info.

To order Optimum residential services, use the number listed for your region or place your order online.

Our regional telephone sales lines are open:
Monday - Friday, 7 a.m. - 11 p.m.
Saturday, 7 a.m. - 10 p.m.
Sunday, 7 a.m. - 10 p.m.

Many common issues with cable service can be fixed immediately by performing a few simple troubleshooting steps. Browse our Customer Service section and quickly find the answers to common questions about Optimum's products and services before you call for assistance. If you do need to call, customer service technical support is provided 24 hours a day. All other support is available from 9am - 5pm EST Mon - Fri and Saturday 9:00am - 1:00pm EST closed on Sunday. Your current billing information and other support features are available on the Optimum Support App and TV channel 900.

New to Optimum?

Shop now for exclusive online offers and other great deals.

Start Shopping

Looking to upgrade?

Call us at: 1-866-218-3259

Connecticut

Residential Customer Service

203-870-2583

Residential Sales

203-870-2491 Back to top

New Jersey

Residential Customer Service

973-230-6046

Residential Sales

973-230-2036 Back to top

Long Island

Residential Customer Service

631-393-0636

Residential Sales

631-393-0706 Back to top

NY: Bronx / Brooklyn / Westchester

Residential Customer Service

718-860-3513

Residential Sales

718-975-1179 Back to top

Optimum Business Services

For Optimum Business Services, please visit our Business Support page.

Back to top

 

  • © Copyright {{CommonFooterCtrl.fullYear}}  CSC Holdings, LLC.