Will the iPhone 4S work with my phone plan?

I have unlimited talk and txt and then I share 300 mb between me and my mom and that's it would the iPhone 4S work with that phone plan?

As they continued their journey he entered a village where a woman whose name was Martha welcomed him. She had a sister named Mary (who) sat beside the Lord at his feet listening to him speak. Martha, burdened with much serving, came to him and said, "Lord, do you not care that my sister has left me by myself to do the serving? Tell her to help me." The Lord said to her in reply, "Martha, Martha, you are anxious and worried about many things. There's need of only one thing. Mary has chosen the better part and it will not be taken from her."