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?


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


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

See details
Always included
chat bubbles
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