Find a cheaper plan in seconds- Switch in minutes

MoneySavingPro independently researches the products & services to bring you our recommendations. We may earn money when you click our links - disclosure policy.

There are two ways to get your Optimum Mobile SIM card. The first option is to visit your local Optimum store.

Alternatively, you can place an online order, and your new SIM card will be delivered to your doorstep within a few days.

Want to see if this T-Mobile MVNO has service in your area? Find out with our Optimum Mobile coverage map.

Can I buy an Optimum Mobile SIM card at a store?

Yes. If an Optimum store is near you, they can set you up with an Optimum Mobile SIM card.

Before you head to the store, it's worth checking Optimum Mobile plans online first. You might be able to get better bundle deals that way.


Buy an Optimum Mobile SIM card online

Ordering and setting up your Optimum Mobile SIM kit online is straightforward. Your SIM card will be on your doorstep within a few days.

Or, get your new plan activated almost instantly with an eSIM plan.


Activating your Optimum Mobile SIM kit

You'll activate your Optimum Mobile SIM card using your Optimum MyMobile account.

If you bring your own phone to Optimum Mobile, make sure it's unlocked from your existing carrier.

Log in and follow the simple activation instructions, then insert your SIM card into your phone to start enjoying your new plan. That's all there is to it!


Optimum Mobile phone compatibility

Optimum Mobile operates on the same 4G LTE and 5G networks as T-Mobile. Plug your IMEI number into our handy phone compatibility checker to determine whether your device is compatible.


Optimum Mobile SIM card FAQs


Recap

To sum up, you can order your Optimum Mobile SIM card online or buy it in your local Optimum Mobile store.

And by choosing to bundle Optimum Mobile plans with your Optimum Internet service, you could be in for even more savings.

Check out our Optimum Mobile review for more in-depth information about this low-cost carrier.

Compare the cheapest cell phone plans to find the best prepaid SIM card.

Optimum Mobile guides

Related Content

Phone plans guides
Best 5G cell phone plans in 2024
19 min read
Apr 30, 2024
Best bring your own phone plans in 2024
19 min read
Apr 30, 2024
Best cell phone plans in 2024
20 min read
Apr 29, 2024
Best cell phone plans for kids in 2024
19 min read
Apr 30, 2024
Best cell phone plans for seniors in 2024
20 min read
Apr 29, 2024
Best cell phone plans for students in 2024
19 min read
Apr 29, 2024
Best cell phone plans for two in 2024
19 min read
Apr 30, 2024
Best phone plans for one in 2024
20 min read
Apr 30, 2024
How much could you save?
Calculate your savings now
Same coverage - cut your bill by up to $600/yr
Shocked monkey
Find a cheaper plan in seconds
Switch in minutes