Have an unlocked phone

Not sure if your phone's unlocked? Check your carrier's policy.

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?

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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

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Optimum Mobile keeps you connected on the largest and fastest 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
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Extra support for phone setup

Frequently asked questions