It would appear that your local channels should be from Wilkes Barre, based on zip 18235, and your Sportsnet should be Root Sports Pittsburgh. If you are receiving just Rocky Mountain you should contact Dish or Dirt...
But why? A quick look at the guide shows a mix of three-hour hot-air shows and blacked-out rebroadcasts o0f women's soccer along with the usual parade of midday paid programming.
My guess is that someone coded something in wrong for what markets it should go in and instead of giving it local in the Las Vegas markets, it given to all markets. I am anticipating it would be going away in a future uplink, at least for me in the Chicago market. But it is nice to see the replays of some of the FOX football games or the Dan Patrick show, which isn't on NBC Sports Chicago. Or maybe AT&T wanted it to be national