Optimum Customer Service: 1-866-218-3259
Call 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’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.
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.
It never hurts to plan ahead for a customer service call. We humbly offer this checklist of things to have ready before you dial.
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.).
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.
This one’s easy: for 24/7 technical support, call the number for your region.
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.
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?
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.
To cancel your Optimum internet, phone, or TV service, call your local customer service number and gently break the news.
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.