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Optimum Customer Service

Call 1-866-218-3259 to talk to a real-life person about your Optimum service today. You can also chat online, or find online resources.

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Optimum customer service hours of operation

Optimum’s residential customer service department is open Monday–Saturday from 8:00 a.m.–6:00 p.m. eastern time.

Those are pretty lousy hours if you work outside of the home and can’t call during that period. Fortunately, there are other ways to contact Optimum support—and its tech support department is open all night. Read on for details.

Optimum outages

Is your internet out? Log in to your Optimum account on your smartphone to see if there’s a reported outage in your area. Optimum may already be working to resolve the issue. 

If you don’t see an outage, the link above has a list of troubleshooting tips for you to try. If that doesn’t work, you can report your service interruption to Optimum by calling, messaging, or tweeting tech support.

Before you call Optimum

It never hurts to plan ahead for a customer service call. We humbly offer this checklist of things to have ready before you dial. 

  • Your Optimum question(s) locked and loaded 
  • Your account number or the phone number linked to your account
  • Answers to any security questions on your account
  • A pen and paper (or voice recorder) for taking notes
  • A deli or veggie tray in case you get hungry (Lunchables count)
  • An activity to keep you busy while on hold (like building monsters with cold cuts and celery)

Optimum customer service phone numbers by area

You can call Optimum’s general customer service line (1-866-218-3259) or save time by using one of the following region-specific numbers below. Click them to call Optimum now (assuming it’s not after 6:00 p.m.).

Swipe Left to See All →
LocationPhone number
Connecticut203-870-2583
New Jersey973-230-6048
New York
(Long Island)
631-393-0637
New York
(Bronx, Brooklyn,
Westchester)
718-860-3514

Optimum customer service online

Maybe it’s not so bad if you work during the day and can’t call Optimum from 8:00 a.m.–6:00 p.m. Chatting online is much easier to do when you’re at work, anyway. But of course that customer service option is available 24 hours a day. 

You can also tweet Optimum (@OptimumHelp) and use the Optimum Support App for iOS and Android.

Optimum tech support

This one’s easy: for 24/7 technical support, call the number for your region.

Optimum customer support for your business

Hello, business owner! Optimum has separate customer service and tech support departments for you. Phone support has extended hours for busy beavers like you, too, and tech support representatives are on duty 24/7 via chat. 

Optimum business support phone numbers

Swipe Left to See All →
DepartmentHoursPhoneChat
Customer service
and billing
8:00 a.m.–8:00 p.m.,
7 days a week
888-276-5255
Technical support24 hrs. a day,
7 days a week
888-276-5255
Sales8:00 a.m.–7:00 p.m.,
Mon.–Fri.
855-267-8468
Installation8:00 a.m.–7:00 p.m.,
Mon.–Fri.
855-267-8468N/A

Optimum local customer service options

Do you want a receipt for your payment? Or return equipment to a live person? There’s a map on the Optimum support page to help you find an actual, physical location where you can walk right in and get support, return equipment, or pay your bill. How do ya like that?

Pay your Optimum bill

  • Phone: Call Optimum’s Automated Phone System (866-213-7456) to pay by check or credit card (no fee). Or call your region’s support number to make a rep-assisted payment (fee applies). 
  • Mail: Mail a check or money order (payable to Optimum) to the “remit to” address on your statement.
  • Online: Sign in to your account on Optimum.net to make a payment (no fee!) or set up a one-time or recurring monthly payment. You can also view 12 months of statements on this page. 
  • EBT/EFT: You can set up a bank transfer with your financial institution.
  • In person: Visit an Optimum store or payment center to make a payment by check, credit card, or money order. (If you’re in New Jersey, you can pay in cash.)

Sign up for Optimum service

You can sign up for Optimum internet, phone, or TV service online 24/7 or call the general number (866-218-3259) on weekdays from 7:00 a.m. to 11:00 p.m. or weekends from 7:00 a.m. to 10:00 p.m. eastern time. Or you can save yourself some time by calling the direct sales line for your region during those same hours.

Optimum residential sales phone numbers by area

Connecticut

203-870-2492

New Jersey

973-230-2037

New York (Long Island)

631-393-0707

New York (Bronx, Brooklyn, Westchester)

718-975-1140

Cancel your Optimum service

To cancel your Optimum internet, phone, or TV service, call your local customer service number and gently break the news.

Is Optimum customer service good?

Optimum has region-specific customer service departments (saving you time on hold), 24/7 tech support chat, helpful print and video tutorials, and an abundance of bill-pay options. 

That’s all great, but Optimum’s searchable FAQ can return frustratingly irrelevant results. Use it if your question is simple. Otherwise, call or chat with a customer representative. But, again, those residential phone support hours aren’t very helpful. 

That said, we’ll call Optimum’s customer service decent. But for more insight, see what Optimum customers think about their provider in our 2020 customer satisfaction survey.

Pros and cons of Optimum customer service

Pros

  • 24/7 tech support via chat
  • Many bill pay options
  • Optimum Support App

Cons

  • Poor phone support hours
  • Frustrating online FAQ
  • Poor customer satisfaction scores

Randy Harward’s scribblings have appeared in HARP, Guitar World, Blurt, and a couple dozen other publications since the late ’90s. When he’s not watching TV professionally for CableTV.com, he’s eating burritos, playing disc golf, and caring for his tarantulas. Like everyone else on the internet, he thinks his cat is awesome.

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