Can I use an iPhone with a prepaid sim card in Poland?

I currently have an iPhone 5s (Verizon Wireless). In a few weeks I will be traveling to Poland for a month. I'm planning on buying one of those sim cards from the airport in Poland. I'm wondering, can I use my iPhone? Do I need any specific kind of sim card? Also, will it cost people in the US to text or call my phone when it has the Polish sim card in it.

I'm going to polska too!
Usually you can use your normal provider, just with an extra fee. I know for tmobole you can. Go to a Verizon store and ask them about it

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