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


3. Tap or click the number you want to activate


4. Select Activate now


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


Learn how to transfer your device number to Optimum Mobile.  

For further support activating your service, contact us to reach an Optimum Mobile expert 24/7.