It seems Lumia US Facebook account just confirmed what we had already reported via our sources. Both Lumia 950 and Lumia 950 XL will be available on AT&T beginning in November as per the confirmation from the official account in reply to question asked by an user. Our sources had confirmed AT&T carrying both Lumia 950 and Lumia 950 XL and they had also tipped release date of 1st-2nd week of November.
You can read about Lumia 950 and Lumia 950 XL pricing and release date for all markets by clicking here. You can read all about Lumia 950 and Lumia 950 XL specifications, features and release markets at our dedicated pages.
We have also posted comparisons between,
that gives you a good idea about how Lumia 950 /XL compare to other flagship devices in terms of specifications, feature and price.