Optimum Mobile leverages T-Mobile 4G LTE and 5G networks. Make the move to Optimum Mobile Big carrier benefits without the big carrier price

Optimum Mobile leverages T-Mobile 4G LTE and 5G networks. T-Mobile has America's largest 5G network with more 5G bars in more places. 5G capable device required; 5G not available in all areas.

5G capable phones can deliver faster download and upload speeds, less lag, and improved network reliability across all networks. With a new 5G phone on an Optimum Mobile plan, you may enjoy a seamless experience while making video …

Compare Optimum Mobile phone plans for 1GB, 3GB, Unlimited, and Unlimited Max data. Check out the savings and services, save more with Internet and Mobile.

Optimum Mobile is on America's largest 5G network. Combine Mobile service with Optimum's high-speed Internet to get a seamless connection, at home and on the go.

Already have Optimum Mobile? Here's everything you need to know, from getting started to finding information on plans and services, offers, billing and more.

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Get the latest mobile phones from Optimum Mobile and get on the fastest 5G network. Enjoy all the features, get the latest colors. Love your phone, love the price.

Important: returning an activated phone does not automatically terminate service. You must call an Optimum Mobile expert to cancel your service. Instructions on how to back up and erase your phone before returning your phone can be found here.

Bring your own phone to Optimum Mobile and keep your phone number while saving money. Bring an unlocked compatible phone, switch to Optimum and save.