If you have an unlocked cell phone you can buy a local SIM to use with your phone. These disposable SIM cards cost around $1 and come in denominations up to $50. The cards come with a code that you enter into the phone; you are then credited for the amount of the card. The calling rates are usually pretty reasonable, so you likely won’t need huge denominations. Calling cards can be found in stores and vending machines across the country.
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