It's easy to keep your phone & number when you switch.

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 reliable 5G network.

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

Frequently asked questions