You can also purchase an international SIM card that can be used in many different countries. This is a good bet for multi-country trips or for travelers who travel regularly to many different regions around the world. However, the option of replacing the SIM card is only available on unlocked phones. Ask your phone company if your phone’s SIM card can be unlocked.

We quizzed experts, crunched numbers, and pored over fine print and pricing to help you figure out how much data you need, which network offers the best coverage where you need it, and whether a postpaid or prepaid plan is the best for you. We think that Verizon Wireless’s single-line 5 GB plan is the best cell phone plan for most people, but we have a variety of picks for different needs.
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