Sim Card Expiration


    Hi people.

    I'm from Brazil and last week I bought a sim card with a 40 dollars plan. It expires in one month. I'm already back to Brazil.


    I travel every year to USA and I'd like to keep this sim card. How often do I have to recharge it and how much?


    Five dollars every month to avoid the expiration? And then when I decide to travel, I use my balance and choose a plan.


    Is that possible?

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