Anyone know if this article is true?
it turns out that in a few parts of the country, AT&T does use a wireless band supported by the Nexus 4. And if you’re lucky enough to be in one of those spots, you can use the Nexus 4 as a 4G LTE device in the States.
Linke to full article, http://liliputing.com/2012/12/google-nexus-4-to-work-with-att-4g-lte-in-a-few-parts-of-the-us.html