Can I buy an iPhone 5 without service?

I want an iPhone 5 but I don't want the contract I understand I will have to pay full price but what would I have to do? Also will I be able to connect it with AT&T? Please gimme any tips and advice you have? Also if I wait til they come out if they do, with the unlocked iPhone and buy that how would it run on tmobiles monthly 4G please gimme any tips and advice! Cricket and boost and virgin mobile are out the door

Hi, I factory unlocked my AT&T USA iPhone 5 at http://www.iphonefort-mobile.com/ and I'm currently using T-Mobiles network and pay $50.00 for unlimited everything. I could not be happier.

It's quite easy: If the iPhone you buy is unlocked, it will work with AT&T and T-Mobile without a problem. However, as unlocked iPhones are significantly more expensive than locked ones, you should consider buying a locked one and getting it unlocked yourself at one of the big online vendors like http://www.cellfservices.com/ as this way you will save a lot.