Switching from Boost to another company?

So recently I bought an iPhone 5s from Boost mobile and I was wondering if I ever wanted to switch companies would I be able to or is it not possible for some reason?! For example switching to AT&T or TMobile.

How about Magic Jack for $19.95 a year.

  • Will switching sim cards from one iphone to another work? Basically my iphone 4s charging port will not work and won't charge normally and stays at about 5 percent. It also won't connect to my PC. To avoid using i cloud and everything can i just switch one sim card to the new iphone 4s and will all my memory be on there? If not what will?
  • Will apple unlock my iphone 4s to another company? I broke my iphone 4s a couple months ago and my friend is willing to give me her old iphone 4s but its from sprint if i go to apple can they unlock it or do something to it yo put it on at&t? If not what are the best websites to use to unlock an iphone sprint 4s to at&t
  • Switching Memory From 1 Iphone 3GS To Another? Is there any business / place where an expert can do this for me or any tutorials? PS, it was badly cracked, so the memory card is still ok.
  • Switching from Boost Mobile to AT&T? I bought a Iphone 4s from a friend of mine. I just need to get it activated by AT&T but i've gotta wait til the 24th when my boost plan expires. Is there a way I can transfer my number to my new provider? Please explain what I will have to do.