Have an unlocked phone

Not sure if your phone's unlocked? Call your current carrier to check.

Check your phone's compatibility

We can use your phone's unique ID number — its IMEI — to check its compatibility with Optimum Mobile.

Connect and keep your number.

Choose a plan. Activate your phone with eSIM or a physical SIM card. Easily transfer your number.

Why eSIM?

Optimum Phone With an eSIM

eSIM is trending, and here's why: with an eSIM-ready phone, you'll connect quicker, safer, and eliminate the hassle of moving a physical SIM card.

Amazing 5G coverage & speed

Lady Using Optimum Mobile Phone on the Most Reliable 5G Network

Optimum Mobile keeps you connected on the largest, fastest, and most awarded 5G network.

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Always included
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Unlimited talk and text
Flexibility to switch plans anytime
5G access at no additional cost**
International plans and travel passes available for purchase
Nationwide coverage
Extra support for phone setup

Frequently asked questions