How do I activate my SIM card?

Activate your Optimum Mobile SIM card as soon as you receive it.

1. Sign in to MyMobile

2. Tap or click Activate service

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3. Tap or click the number you want to activate

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4. Select Activate now

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5. Tap Back to Overview. Your SIM Card will be activated in minutes.

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Learn how to transfer your phone number to Optimum Mobile.  

For any other issues with activating your service, please speak with an Optimum Mobile expert at 866.200.7186.