After numerous attempts, was able to complete the order for a 6 and a 6+ with AT&T. I was on an unlimited plan switching to 10GB shared, NEXT. Had to switch plans first. When I went to order the phones told me I had to pay up front the first month's NEXT rate plus $40. It's my understanding you are only charged $15 a month for the phone when you go with a NEXT plan and the 10GB or higher plan (a $25 discount from the normal $40 for smartphones). I'm hoping the credit will come down the road because it wasn't shown here!
In any case, received two order confirmation numbers and still waiting for an email confirmation. Called the number provided for order status and if you enter the order number it will tell you that if it has been less than 8 hours since you ordered they may not have the status, and to call back in a few hours.
So, I'm going back to bed with a leap of faith that I'm going to be getting $50 credit (2 phones @ $25), and my confirmation numbers will work later today. . .
Z